Smilovits v. First Solar Incorporated et al, No. 2:2012cv00555 - Document 685 (D. Ariz. 2019)

Court Description: ORDER denying 485 Motion ; denying 632 Motion ; granting in part and denying in part 633 Motion. Signed by Senior Judge David G Campbell on 12/27/2019.(DGC, nvo)

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1 WO 2 3 4 5 6 IN THE UNITED STATES DISTRICT COURT 7 FOR THE DISTRICT OF ARIZONA 8 9 10 Mark Smilovits, individually and on behalf of all others similarly situated, Plaintiffs, 11 12 13 14 No. CV12-0555-PHX-DGC ORDER v. First Solar, Inc.; Michael J. Ahearn; Robert J. Gillette; Mark R. Widmar; Jens Meyerhoff; James Zhu; Bruce Sohn; and David Eaglesham, 15 Defendants. 16 17 18 This securities fraud class action is set for trial in January 2020. The parties filed 19 nine motions to exclude expert testimony under Federal Rule of Evidence 702 and Daubert 20 v. Merrell Dow Pharmaceuticals, Inc., 509 U.S. 579 (1993). The Court ruled on six of the 21 motions in an earlier order. Doc. 674. This order addresses the remaining motions. 22 I. Background. 23 Defendant First Solar, Inc. produces photovoltaic solar panel modules. Its stock is 24 publicly traded on the NASDAQ stock exchange. Plaintiffs purchased First Solar stock 25 between April 30, 2008 and February 28, 2012 (the “Class Period”). See Doc. 171 at 22.1 26 1 27 28 The parties have filed multiple motions to file documents under seal, which the Court will address in a separate order. See Docs. 468, 511, 551, 589, 639, 649. The parties have lodged the proposed sealed versions of the documents on the Court’s electronic case filing (“ECF”) system pending rulings on the motions to seal, and have also filed redacted public versions of the documents on the ECF system. See LRCiv 5.6(b)-(c). Where 1 The Individual Defendants are First Solar officers and executives who purchased or sold 2 First Solar stock during the Class Period while allegedly concealing information from the 3 market about manufacturing and design defects causing faster power loss in certain 4 modules.2 5 Steep declines in First Solar’s stock price, beginning on July 29, 2010, followed the 6 departure of First Solar’s CEO, disappointing financial results, and the release of quarterly 7 financial disclosures reporting the product defects. See Doc. 401 at 7-8. First Solar’s stock 8 fell from nearly $300 per share to less than $50 per share during the Class Period. See id. 9 at 2. 10 Plaintiffs allege that Defendants engaged in several acts of fraud during the Class 11 Period, including concealing the product defects, misrepresenting the cost and scope of the 12 defects, and reporting false information on financial statements. Doc. 93 at 7-20. Plaintiffs 13 further allege that when First Solar later disclosed the product defects and attendant 14 financial liabilities to the market, the stock price fell, causing economic loss to Plaintiffs. 15 Id. at 124-41. 16 Plaintiffs assert violations of §§ 10(b) and 20(a) of the Securities Exchange 17 Act of 1934 and Securities Exchange Commission (“SEC”) Rule 10b-5. Id. at 135-36. 18 Section 10(b) “makes it unlawful to ‘use or employ, in connection with the purchase or 19 sale of any security[,] . . . any manipulative or deceptive device or contrivance in 20 contravention of such rules and regulations as the [SEC] may prescribe.’” In re Oracle 21 Corp. Sec. Litig., 627 F.3d 376, 387 (9th Cir. 2010) (quoting 15 U.S.C. § 78j(b)). 22 Rule 10b-5 forbids, in connection with the purchase or sale of a security, “the making of 23 any ‘untrue statement of a material fact’ or the omission of any material fact ‘necessary in 24 25 26 27 appropriate, and as noted below, this order cites to some of the lodged documents, which will be filed on the ECF system (either under seal or in the public record) once the Court rules on the motions to seal. Citations to pages of a lodged document correspond to the same pages in the filed public copy (the documents are the same except for redactions). Citations are to page numbers added at the top of each page by the ECF system. The modules affected by the manufacturing defect are referred to as “low power modules” or “LPM,” and the design defect is termed “hot climate degradation.” See id. at 3-6. 2 28 -2- 1 order to make the statements made . . . not misleading.’” Dura Pharms., Inc. v. Broudo, 2 544 U.S. 336, 341 (2005) (quoting 17 C.F.R. § 240.10b-5). The scope of Rule 10b-5 is 3 coextensive with that of § 10(b). See Oracle, 627 F.3d at 387; Stoneridge Inv. Partners, 4 LLC v. Sci.-Atlanta, Inc., 552 U.S. 148, 157 (2008). To establish a violation of § 10(b) and 5 Rule 10b-5, “a plaintiff must prove (1) a material misrepresentation or omission by the 6 defendant; (2) scienter; (3) a connection between the misrepresentation or omission and 7 the purchase or sale of a security; (4) reliance upon the misrepresentation or omission; 8 (5) economic loss; and (6) loss causation.” Stoneridge, 552 U.S. at 157. 9 Plaintiffs claim that the Individual Defendants are liable for the alleged § 10(b) and 10 Rule 10b-5 violations as “controlling persons” under § 20(a). Doc. 93 at 136, ¶¶ 257-58. 11 To establish a claim under § 20(a), a plaintiff must first prove a primary violation of § 10(b) 12 or Rule 10b-5 and then show that the defendant exercised actual power over the primary 13 violator. See In re NVIDIA Corp. Secs. Litig., 768 F.3d 1046, 1052 (9th Cir. 2014).3 14 II. Rule 702 and Daubert Standards. 15 Under Rule 702, an expert may offer “scientific, technical, or other specialized 16 knowledge” if it “will assist the trier of fact to understand the evidence,” provided the 17 testimony rests on “sufficient facts or data” and “reliable principles and methods,” and “the 18 witness has reliably applied the principles and methods to the facts of the case.” Fed. R. 19 Evid. 702(a)-(d). The proponent of expert testimony has the ultimate burden of showing, 20 by a preponderance of the evidence, that the proposed testimony is admissible under 21 Rule 702. See Cooper v. Brown, 510 F.3d 870, 942 (9th Cir. 2007); Fed. R. Evid. 104(a). 22 The trial court acts as a gatekeeper for expert testimony to assure that it “both rests on a 23 reliable foundation and is relevant to the task at hand.” Daubert, 509 U.S. at 597; see Davis 24 v. McKesson Corp., No. CV-18-1157-PHX-DGC, 2019 WL 3532179, at *3-4 (D. Ariz. 25 Aug. 2, 2019). 26 27 28 3 The Court has precluded Plaintiffs from asserting a new insider trading claim under § 10(b). Doc. 661 at 19-21. Evidence of insider trading by the Individual Defendants, however, may be relevant to the scienter element of the § 10(b) and Rule 10b-5 misrepresentation claims and perhaps for other purposes. See id. at 21; Doc. 401 at 7. -3- 1 III. Defendants’ Motion to Exclude Henderson’s Testimony (Docs. 532, 633). 2 Plaintiffs retained M. Todd Henderson, a professor at the University of Chicago 3 Law School, to opine on the sales of company stock by the Individual Defendants pursuant 4 to Rule 10b5-1 trading plans (“10b5-1 plans”). Doc. 532-1 at 3. Henderson explains that 5 10b5-1 plans are meant to provide company executives with the ability to trade for 6 diversification reasons and not on the basis of inside information. Id. at 4. Henderson 7 opines that there are seven “hallmarks” of a valid 10b5-1 plan: (1) a significant time lag 8 between the plan’s adoption and the first trade; (2) regularly scheduled trades; (3) sales 9 over long periods of time; (4) sales of relatively consistent size and relatively small 10 amounts compared with overall shareholdings; (5) sales at a range of stock prices; (6) no 11 changes or cancellations of the plan; and (7) a high level of board and general counsel 12 involvement in plan adoption, alteration, and termination decisions. Id. Henderson further 13 opines the Individual Defendants’ 10b5-1 plans during the Class Period contained few or 14 none of these hallmarks and are consistent with plans from his empirical research in which 15 insiders earned large abnormal returns based on inside information. Id. 16 Defendants move to exclude Henderson’s testimony under Rule 702, arguing that 17 his opinions and purported hallmarks are based solely on speculation and fail every prong 18 of Daubert’s reliability test. Docs. 532 (lodged sealed motion), 633 (public redacted 19 version). Plaintiffs counter that Henderson is eminently qualified to offer his opinions, that 20 the Daubert reliability factors do not apply to the non-scientific hallmarks, and that the 21 hallmarks satisfy Rule 702’s reliability requirements and will assist the jury in deciding 22 whether the Individual Defendants’ stock trades were made in good faith or to evade the 23 prohibitions of Rule 10b5-1. Doc. 556 at 6-17. 24 A. 25 Rule 10b5-1 provides an affirmative defense to securities fraud allegations of 26 trading “‘on the basis of’ material nonpublic information[.]” 17 C.F.R. § 240.10b5-1. A 27 corporate-insider may defend his trades by showing that they were made pursuant to a 28 “written plan for trading securities” created before he learned of the material non-public 10b5-1 Plans and the Need for Expert Testimony. -4- 1 information at issue in the suit. Id. at (c)(1)(i)(A). To be valid, the plan must list the 2 amount and price of the securities to be sold or purchased, provide the date of the 3 transactions, and prevent the insider from exercising any subsequent influence over how, 4 when, or whether to effect purchases or sales. Id. at (c)(1)(i)(B). The trade must also have 5 been executed according to the plan’s terms. Id. (c)(1)(i)(C). Finally, the plan must have 6 been entered “in good faith and not as part of a plan or scheme to evade the prohibitions of 7 [Rule 10b5-1].” Id. at (c)(1)(ii); see CSX Corp. v. Children’s Inv. Fund Mgmt. (UK) LLP, 8 654 F.3d 276, 303 n.13 (2d Cir. 2011) (“[T]he affirmative defense is available only when 9 the plan to purchase or sell securities was ‘given or entered into in good faith.’”); Elec. 10 Workers Pension Tr. Fund of IBEW Local Union No. 58 v. CommScope, Inc., No. 5:10- 11 CV-00062-RLV, 2013 WL 4014978, at *7 (W.D.N.C. Aug. 6, 2013) (“[Rule 10b5-1] 12 clearly requires a showing of good faith [that] . . . require[s] additional evidence to be 13 presented by Defendants[.]”); Stocke v. Shuffle Master, Inc., 615 F. Supp. 2d 1180, 1193 14 (D. Nev. 2009) (“[A Rule] 10b5-1 trading plan does not provide an absolute defense to a 15 claim of insider trading. Rather, it requires an additional factual finding of good faith.”). 16 A plaintiff may present circumstantial evidence giving rise to an “inference of[] bad faith 17 and scienter for § 10(b) and Rule 10b-5 purposes” by showing that the corporate-insider’s 18 trades under a 10b5-1 plan are “unusual” or “suspicious.” In re Enron Corp. Sec., 19 Derivative & ERISA Litig., 258 F. Supp. 2d 576, 593 (S.D. Tex. 2003). 20 The Individual Defendants claim that their stock trades during the Class Period were 21 proper because they were made largely pursuant to valid 10b5-1 plans. See Doc. 311 22 at 65-68. Plaintiffs counter that the Individual Defendants engaged in improper insider 23 trading, and that their suspicious trading behavior is relevant evidence of scienter and 24 materiality. Doc. 556 at 10. 25 In order for the jury to make an informed analysis of the relevant trades, it will be 26 helpful for them to understand the purpose of 10b5-1 plans and their legal requirements, 27 the various features of such plans in practice, and trading behaviors that may be suspicious. 28 See Doc. 556 at 10-11. Henderson explains that the purpose of his opinions, and his -5- 1 application of the seven hallmarks he identifies for valid 10b5-1 plans, is to help the jury 2 understand such plans and determine whether the Individual Defendants’ trading behaviors 3 are suspicious. Doc. 532-3 at 6-7. Because 10b5-1 plans generally are beyond the ken of 4 the average juror, Henderson’s expert testimony on these issues will assist the jury in 5 understanding the evidence and determining facts in issue. See In re Novatel Wireless Sec. 6 Litig., No. 08CV1689 AJB RBB, 2012 WL 5463214, at *4 (S.D. Cal. Nov. 8, 2012) 7 (rejecting a Rule 403 challenge to “Henderson’s opinion setting forth the ‘seven hallmarks’ 8 [because it] describes for the jury the best practices when employing 10b5-1 trading 9 plans”); United States v. Robinson, No. 98 CR 167 DLC, 2000 WL 65239, at *3 (S.D.N.Y. 10 Jan. 26, 2000) (expert testimony on the “‘hallmarks’ of financial fraud schemes” would 11 help the jury understand the evidence); United States v. Jergensen, No. 8:16-CR- 12 235(BKS), 2017 WL 11458077, at *4 (N.D.N.Y. Oct. 6, 2017) (same). The Reliability of Henderson’s Hallmarks. 13 B. 14 Defendants contend that Henderson’s hallmarks are not reliable because they cannot 15 be tested, have never been published, have no known error rate, and lack general 16 acceptance in the securities regulation field. Doc. 532 at 9-11. But these factors are neither 17 exclusive nor dispositive in a Rule 702 inquiry, see Daubert, 509 U.S. at 593-94, and “may 18 not be pertinent in assessing reliability, depending on the nature of the issue, the expert’s 19 particular expertise, and the subject of his testimony[,]” Primiano, 598 F.3d at 565. As 20 the Supreme Court has explained, although some expert testimony “rests upon scientific 21 foundations,” in other cases “the relevant reliability concerns may focus upon personal 22 knowledge or experience. Daubert makes clear that the factors it mentions do not 23 constitute a definitive checklist or test.” Kumho Tire Co. v. Carmichael, 526 U.S. 137, 150 24 (1999) (citations omitted; emphasis in original). The Ninth Circuit likewise holds that 25 “[t]he Daubert factors (peer review, publication, potential error rate, etc.) simply are not 26 applicable to [testimony] whose reliability depends heavily on the knowledge and 27 experience of the expert, rather than the methodology or theory behind it.” United States 28 v. Hankey, 203 F.3d 1160, 1169 (9th Cir. 2000). -6- 1 Defendants do not dispute that Henderson is a highly qualified expert in securities 2 regulation. See Doc. 532-1 at 6-7 (Henderson’s qualifications); In re Novatel, 2012 WL 3 5463214, at *4 (“Henderson is qualified pursuant to Rule 702 to testify as an expert 4 regarding the use of 10b5-1 trading plans.”). Henderson’s opinions are based on a review 5 of the documents in this case, his position on the Financial Industry Regulatory Authority, 6 his experience as a management consultant advising companies on security regulation 7 matters, his extensive research on thousands of 10b5-1 plans used by various companies 8 over the past decade, and his specialized knowledge in the areas of corporate governance, 9 executive compensation, and insider trading. Id. at 3. Under Rule 702 and Daubert, expert 10 testimony “is reliable if the knowledge underlying it has a reliable basis in the knowledge 11 and experience of the relevant discipline.” Primiano, 598 F.3d at 565 (citation omitted). 12 The Court finds that Henderson’s experience in the field of securities regulation generally, 13 and his knowledge about the creation and use of 10b5-1 plans in particular, form a 14 sufficient foundation for his opinions on the purported hallmarks of a valid plan. See In re 15 Novatel, 2012 WL 5463214, at *5 (“Henderson’s training, education and practical 16 experience provide a sufficient basis for his opinions regarding 10b5-1 trading plans”); 17 United States v. Barreiro, No. 13-CR-00636-LHK, 2016 WL 259590, at *2 (N.D. Cal. 18 Jan. 21, 2016) (testimony on whether “notes of expenditures have the hallmarks of business 19 or personal expenditures” was within the expert’s “specialized knowledge and training as 20 a CPA and a certified fraud examiner”); S.E.C. v. Lines, No. 07 CIV. 11387 (DLC), 2010 21 WL 2926591, at *1 (S.D.N.Y. July 26, 2010) (rejecting the argument that the expert 22 identified no reliable methodology to support his description of the common characteristics 23 of a “pump and dump scheme” where the expert was “well qualified by years of experience 24 as a regulator to describe this species of securities fraud, and [gave] an extensive and 25 detailed report explaining the hallmarks of such a scheme”). Defendants’ criticisms of 26 Henderson’s methodology and his purported hallmarks for valid 10b5-1 plans are matters 27 for the jury’s consideration in weighing the evidence. See Lines, 2010 WL 2926591, at *1 28 (the arguments that “many of the characteristics that the expert identifies as associated with -7- 1 pump and dump schemes can also be found in legitimate transactions, and [that] he did not 2 adequately consider factors that tend to show that a transaction is not a pump and dump 3 scheme, may be proper as lines of cross-examination but do not render the testimony 4 inadmissible”). 5 Defendants note that “[t]he first time [the] hallmarks appeared in a bulleted list was 6 for an expert opinion on behalf of Plaintiffs[.]” Doc. 532 at 10. But Henderson explains 7 that “the general impression of [the hallmarks], each of them in different forms or different 8 words[,] was used by [him] countless times before then[.]” Doc. 532-3 at 16. The Court 9 cannot conclude that Henderson developed the hallmarks solely for purposes of litigation. 10 Defendants further contend that Henderson’s opinions are replete with 11 improper legal conclusions and that his hallmarks are contrary to law because Rule 10b5-1 12 offers an affirmative defense for individuals who comply with the Rule’s three express 13 legal requirements. Doc. 532 at 12, 14-16. But to avail themselves of the affirmative 14 defense, Defendants must show that their 10b5-1 plans were entered “in good faith and not 15 as part of a plan or scheme to evade the prohibitions of [Rule 10b5-1].” 17 C.F.R. 16 § 240.10b5-1(c)(1)(ii). Henderson’s opinions about 10b5-1 plans generally, his purported 17 hallmarks of valid plans, and whether the Individual Defendants’ trading behavior is 18 suspicious are relevant to the affirmative defense. Henderson states that he will offer no 19 legal opinion on the Individual Defendants’ trading plans and behavior or any other issue 20 in the case. Doc. 532-3 at 6, 19-21. Defendants may object at trial if they believe 21 Henderson crosses the line into inadmissible legal opinions. The same is true with respect 22 to any potential opinions on the mental state or credibility of witnesses, which would be 23 improper. See Doc. 532 at 17-18. Henderson’s Analysis of Empirical Studies. 24 C. 25 Henderson discusses empirical studies purportedly showing that “insiders 26 systematically abuse [Rule 10b5-1].” Doc. 532-1 at 5; see id. at 36-43 (citing M. Todd 27 Henderson, Alan D. Jagolinzer & Karl A. Muller, Offensive Disclosure: How Voluntary 28 Disclosure Can Increase Returns from Insider Trading, 103 Geo L.J. 1275 (2015); -8- 1 Jagolinzer, Alan D., SEC Rule 10b5-1 and Insiders’ Strategic Trade, Management Science 2 Quarterly (Feb. 2009)). Henderson opines that “[t]he characteristics of the Individual 3 Defendants’ trades under their plans are consistent with plans that this empirical research 4 shows are abusing the Rule and trying to shield trades that are based on material, nonpublic 5 information.” Id. at 5. 6 Defendants argue that Henderson does not reliably apply the empirical studies to 7 the facts of this case. Doc. 532 at 13-14. Plaintiffs do not meaningfully respond to this 8 argument, claiming instead that Henderson’s general discussion of the empirical studies 9 will assist the jury in understanding why scrutiny of Defendants’ Rule 10b5-1 plans is 10 appropriate. Doc. 556 at 17-18. More importantly, Henderson made clear in his deposition 11 that he has not “taken the trading behavior of the First Solar executives and compared them 12 to other companies in an empirical study.” 13 demonstrated the reliability of Henderson’s opinion that the characteristics of the 14 Individual Defendants’ 10b5-1 trades are consistent with abusive plans in the empirical 15 studies. Henderson is precluded from offering this opinion at trial. Doc. 532-3 at 23. Plaintiffs have not Defendants’ motion to exclude Henderson’s testimony (Docs. 532, 633) is granted 16 17 in part and denied in part as set forth above. 18 IV. Defendants’ Motion to Exclude Dr. Feinstein’s Testimony (Docs. 552, 632). 19 Plaintiffs retained Dr. Steven Feinstein to opine about market efficiency, loss 20 causation, and damages. Based in part on an “event study,” Dr. Feinstein concludes that 21 First Solar’s alleged fraud caused its stock price to be artificially inflated and that corrective 22 disclosures caused stock price declines resulting in investor losses. Doc. 545-1 at 9. 23 An event study is a statistical analysis used to “‘disentangle[] the effects of two 24 types of information on stock prices – information that is specific to the firm under question 25 . . . and information that is likely to affect stock prices marketwide.’” In re Vivendi, S.A. 26 Sec. Litig., 838 F.3d 223, 253 (2d Cir. 2016) (quoting Mark L. Mitchell & Jeffry M. Netter, 27 The Role of Financial Economics in Securities Fraud Cases: Applications at the Securities 28 and Exchange Commission, 49 Bus. Law. 545, 556-57 (1994)). The study includes a -9- 1 regression analysis of daily stock returns to determine the typical level of stock price 2 volatility and the relationship between a company’s stock price movements and market and 3 sector index movements. It allows an expert “to make inferences about the degree to which 4 the company’s stock price may have been artificially inflated on the basis of the market’s 5 misconception as to the truth prior to the release of that information.” Id. at 253-54. Event 6 studies are widely accepted and have been characterized as “standard operating procedure 7 in federal securities litigation.” Id. at 253; see also FindWhat Inv’r Grp. v. FindWhat.com, 8 658 F.3d 1282, 1313 n.31 (11th Cir. 2011) (“The methodology of event studies has been 9 sustained by many circuits.”). 10 Defendants do not contend than an event study is improper methodology. In fact, 11 their own expert uses an event study as discussed below. Defendants move to exclude Dr. 12 Feinstein’s testimony because he fails to evaluate when inflation entered First Solar’s stock 13 price and analyze how much of the price decline is attributable to the alleged fraud. 14 Docs. 545 (lodged), 632 (public). 15 A. 16 Dr. Feinstein describes artificial inflation as “the difference between what the stock 17 price actually was at a point in time, and what the price would have been absent the alleged 18 fraud.” Doc. 545-1 ¶ 232. To calculate artificial inflation in this case, Dr. Feinstein worked 19 chronologically backwards from the final corrective disclosure and cumulated the fraud- 20 related residual stock price declines. Id. ¶ 234. Dr. Feinstein opines that (1) all price 21 declines attributable to corrective information regarding the low power module issue reflect 22 inflation that was in place at the start of the Class Period (the date of the first alleged 23 misrepresentation regarding that issue), and (2) all price declines attributable to corrective 24 information regarding heat degradation reflect inflation that was in place on February 22, 25 2010 (the date of the first alleged heat degradation misrepresentation). Id. ¶ 235. He 26 concludes that “the artificial inflation in First Solar’s stock price at the start of the Class 27 Period was at least $17.93 per share, measured using the stock price declines that occurred 28 when the corrective disclosures were made regarding the LPM issues,” and that “the heat Stock Price Inflation. - 10 - 1 degradation-related artificial inflation of $11.48 per share that dissipated following the 2 corrective disclosures . . . represented artificial inflation that was in the stock as of 22 3 February 2010 at the latest.” Id. ¶¶ 237, 243; see id. at 389 (graph showing LPM and heat 4 degradation inflation during the Class Period). 5 Defendants contend that the premise of Dr. Feinstein’s damages analysis – that the 6 entire inflation for both LPM and heat degradation was in place at the outset – contradicts 7 Plaintiffs’ theory of liability. Doc. 545 at 10-11. Defendants assert that Dr. D. Paul Regan, 8 whom Defendants characterized as Plaintiffs’ “liability expert,” offers opinions 9 fundamentally at odds with Dr. Feinstein’s analysis because Regan opines that First Solar 10 learned of the LPM and hot climate problems incrementally over time and should have 11 made incremental accounting disclosures to reflect its growing knowledge. If the problems 12 were understood only incrementally, Plaintiffs suggest, they could have been disclosed 13 only incrementally, and, it follows, their disclosure would have affected stock prices only 14 incrementally. As a result, Defendants’ alleged nondisclosure likewise could have had 15 only an incremental effect on any fraud-related inflation in the value of First Solar stock, 16 and all such inflation would not have been in place from the beginning of the Class Period. 17 Defendants argue, therefore, that Feinstein’s “constant dollar inflation ribbon” is 18 unreliable, results in overstated damages early in the class period, and does not correspond 19 with Plaintiffs’ theory of liability. Id. at 14-16.4 20 Defendants have a point. The Second Circuit has described the problem of 21 assuming that fraud-related inflation ultimately eliminated from a stock’s price by a series 22 of truthful disclosures was all present on the first day of the class period: 23 24 25 26 A key question was how that inflation entered the stock or, more aptly, when. Given that the maximum amount of inflation in the stock was €22.52, one approach to determining how inflated the stock price was throughout the Class Period would have been to say that all €22.52 of inflation entered into Vivendi’s stock price from the very beginning of that period, on October 30, 27 4 28 An inflation ribbon is a time series indicating how much artificial inflation caused by the alleged fraud was in the stock price on each day of the Class Period. Doc. 545-1 at 8. - 11 - 1 2 3 4 5 6 7 8 9 10 11 2000, and remained at that level until the date of the first negative residual return, January 7, 2002. There is an obvious downside to this approach, however. Namely, the full amount of the inflation reflects the value of the truth about Vivendi’s liquidity problem at the apex of that problem. But the magnitude of Vivendi's liquidity risk—and by extension, the amount of liquidity-related inflation in Vivendi’s stock—presumably had not reached its peak at the start of the Class Period. Rather, it grew over time as Vivendi’s liquidity situation worsened, and as the distance between the truth and the deception thus widened. Ascribing the full value amount of loss to the very first alleged misstatement would therefore tend to overstate the degree to which Vivendi’s stock was inflated due to the market’s lack of knowledge about Vivendi’s true liquidity risk, at least toward the beginning of the Class Period. Such an approach might thus lead to an inflated recovery for class members who purchased the stock earlier in the Class Period. In re Vivendi, 838 F.3d at 255 (emphasis in original). 12 Here’s another way to describe the issue. Assume that on the first day of a class 13 period a company’s stock is selling for $100 per share, the company’s product has a serious 14 defect which is unknown inside and outside of the company, and, if the defect was known 15 publicly, the stock price would drop $30 per share. Although the price of the stock can be 16 said to be inflated on that date, it is not inflated because of any fraudulent actions of the 17 part of the company – the company does not know of the defect. A person buying the stock 18 on this date could not claim to have been defrauded in the amount of $30 because no false 19 statements have been made. Assume a week later the company gains the first intimation 20 of a defect in its product, the full extent of the defect and its eventual cost to the company 21 are not understood, and, because the information is incomplete and does not reflect the full 22 extent of the actual problem, even full disclosure of the known information would not cause 23 the stock to drop $30 per share. If full disclosure was made, the market would learn of a 24 potential problem and would take the potential problem into account in the stock price, but 25 would not likely reflect the full $30 extent of the problem because the full extent is not 26 known. If disclosure of this incomplete information would cause the stock price to drop, 27 say, by $10 per share, then a fraudulent nondisclosure of the information would result in 28 $10 of inflation remaining in the stock due to fraud – the fraud-related inflation would be - 12 - 1 $10 per share. There would remain another $20 per share of inflation in the stock price 2 due to the undiscovered extent of the defect, but it could not be claimed as fraud damages 3 by a person purchasing on the date of the nondisclosure because it did not remain in the 4 stock due to nondisclosure. If more was learned by the company but not revealed on later 5 dates, the fraud-related component would increase on each of those dates by the amount 6 the stock would have dropped if the information was disclosed, until the full $30 becomes 7 fraud-related inflation. 8 Defendant argue that Plaintiffs’ own accounting expert, Dr. Regan, opines that the 9 extent of the LPM and hot climate defects became known to First Solar only gradually over 10 time, and that GAAP therefore required First Solar to make incremental and increasing 11 accounting disclosures over time. Defendants argue that this opinion conflicts with 12 Feinstein’s conclusion that the full extent of the fraud-related inflation was in First Solar 13 stock from the start. The Court views this as a fair criticism of Dr. Feinstein’s opinion. 14 The question is whether it renders his opinion inadmissible under Rule 702. 15 Defendants do not challenge Dr. Feinstein’s qualifications. He is a Yale Ph.D. 16 economist, a professor of finance at Boston College, has authored numerous publications 17 in the fields of economics and finance, and has testified in numerous securities fraud cases. 18 Doc. 552 at 8. Nor do Defendants challenge the principles and methods he applies – “event 19 studies or backcasting generally.” Doc. 654 at 9. The question appears to be whether he 20 has applied the principles and methods reliably to the facts of this case. Fed. R. Evid. 21 702(d). 22 Plaintiffs respond, in part, by rejecting Defendants’ premise concerning the nature 23 of their fraud case. They contend that Dr. Regan is not their liability expert and that his 24 incremental accounting opinion does not reflect the liability case they will present to the 25 jury. They contend that Dr. Regan’s role is to explain why First Solar’s accounting was 26 defective and failed to reveal the fraud in which Defendants were engaged. Plaintiffs assert 27 that their fraud case will consist of evidence that Defendants had enough information to 28 disclose the LPM defect on the first day of the Class Period and the heat degradation defect - 13 - 1 on February 22, 2010. Doc. 552 at 11. Feinstein assumes Plaintiffs will be able to provide 2 this proof, and concludes that such disclosures would have lowered the valuation of First 3 Solar stock to the same levels that resulted from later disclosures. Id. at 11-12. 4 Plaintiffs also argue that their theory of the case is that the mere existence of the 5 defects, not the extent of the defects, was enough to cause the full economic damages they 6 claim. Id. at 14. Feinstein opines that the effect of unfavorable disclosures would have 7 been greater earlier in the Class Period – when the value of the stock was higher and the 8 prospects for the company were brighter – than in the later periods when more difficulties 9 had arisen in the industry. As Feinstein states: “The valuation impact of the LPM issues 10 would have been larger at the start of the Class Period on account of, among other things, 11 the higher expected earnings and growth prospects for the Company at that time. . . . 12 Moreover, had the market been aware of management’s alleged intent to mislead investors, 13 a discount for reputation effect would have been impounded in the stock price at the start 14 of the Class Period.” Doc. 545-1 ¶ 239.5 15 Finally, citing two scholarly articles,6 Feinstein also asserts that “[b]ased on the 16 fundamental principles of market efficiency and rational expectations, because investors 17 generally do not make systematic errors in forecasting when they are equipped with full 18 truthful information, one can estimate that investors would have centered their forecasts on 19 a valuation that reflected the ultimate outcome.” Doc. 469-3, ¶ 238.7 20 The Court’s decision is guided by two principles. First, the Court cannot exclude 21 Plaintiffs’ expert by concluding that Defendants’ factual recitation concerning the 22 5 23 24 25 26 27 28 The Court does not find this last point very persuasive because if Defendants had made a full disclosure of what they knew from the start, they would not have been acting fraudulently and the effect on First Solar’s stock value simply would have been the value of the information they disclosed, not some additional fraud premium. “Rational Expectations and the Theory of Price Movements,” by John Muth, Econometrica, 1961; and “Asset Prices in an Exchange Economy,” by Robert Lucas, Econometrica, 1978. 6 7 The Court is skeptical of this last argument because Plaintiffs do not appear to contend that First Solar could have disclosed “full truthful information” about the defects on the first day of the Class Period or February 22, 2010. They seem to acknowledge that more became known about the defects over time. - 14 - 1 unfolding of the First Solar product defects is correct and Plaintiffs’ is incorrect. As the 2 Advisory Committee on the Federal Rules of Evidence noted when it adopted the current 3 version of Rule 702: “The emphasis in the amendment on ‘sufficient facts and data’ is not 4 intended to authorize a trial court to exclude an expert’s testimony on the ground that the 5 court believes one version of the facts and not the other.” Fed. R. Evid. 702, 2000 Advisory 6 Committee Note. 7 Second, the Court’s focus “must be solely on principles and methodology, not on 8 the conclusions that they generate.” Daubert, 509 U.S. at 595; see also Wendell v. 9 GlaxoSmithKline LLC, 858 F.3d 1227, 1232 (9th Cir. 2017) (same). The Court’s task is 10 not to determine whether Dr. Feinstein’s opinions are correct, but whether they satisfy the 11 requirements of Rule 702. In re Bard IVC Filters Prods. Liab. Litig., No. MDL 15-02641- 12 PHX DGC, 2018 WL 495607, at *4 (D. Ariz. Jan. 22, 2018) (“It is not the job of the court 13 to insure that the evidence heard by the jury is error-free, but to insure that it is sufficiently 14 reliable to be considered by the jury.” (internal quotations and citation omitted)); see also 15 Fed R. Evid. 702, 2000 Advisory Committee Note (proponents of evidence “do not have 16 to demonstrate to the judge by a preponderance of the evidence that the assessments of 17 their experts are correct, they only have to demonstrate by a preponderance of the evidence 18 that their opinions are reliable” (citation and quotation marks omitted)). 19 The Court concludes that Defendants’ arguments go more to the correctness of 20 Feinstein’s conclusions than the method by which he reaches them. A well-qualified expert 21 has used an accepted methodology to reach conclusions with which Defendants disagree. 22 Defendants contend that his opinions are contrary to Plaintiffs’ liability case, but the Court 23 must look to Plaintiffs, not Defendants, for the nature of their liability case, and Plaintiffs 24 claim they can prove an extent of knowledge at the beginning of the Class Period and on 25 February 22, 2010, and a sensitivity to misrepresentations at that time, that will support 26 Feinstein’s opinion that the full amount of the fraud-related inflation was in the stock from 27 the start. Given this situation, the Court concludes that the jury must assess the validity of 28 Feinstein’s conclusions. See In re Novatel Wireless Sec. Litig., No. 08CV1689 AJB (RBB), - 15 - 1 2013 WL 12247558, at *3 & n.3 (S.D. Cal. Nov. 19, 2013) (finding that the two alternative 2 calculations for calculating damages – the constant dollar and constant percentage methods 3 – “may properly be presented to a jury for determination as to which is the more reasonable 4 measurement of damages”). 5 B. Confounding Information. 6 Stock price declines can result from corrective disclosures concerning earlier 7 misrepresentations and various confounding information unrelated to the alleged fraud, 8 such as “changed economic circumstances, changed investor expectations, new industry- 9 specific or firm-specific facts, conditions, or other events[.]” Dura Pharms., 544 U.S. 10 at 343. As part of his event study, and for each corrective disclosure he identifies, Feinstein 11 considers and accounts for potentially confounding information. Doc. 545-1 ¶¶ 20, 39, 12 161-231. Defendants argue that Feinstein’s opinions on loss causation and damages are 13 unreliable because his approach to confounding information is arbitrary and inconsistent. 14 Docs. 545 at 17-20, 654 at 11. 15 Feinstein’s methodology – conducting an event study that purports to account for 16 confounding information – meets Rule 702’s admissibility threshold. See In re Vivendi, 17 838 F.3d at 253; Angley v. UTi Worldwide Inc., 311 F. Supp. 3d 1117, 1129 & n.20 (C.D. 18 Cal. 2018) (collecting cases that “have recognized the event study/out of pocket method 19 . . . is an accepted method for calculating damages in securities fraud class actions”). 20 Defendants’ criticisms that Feinstein discounted the confounding information and 21 exaggerated the impact of the alleged fraud go to his credibility and the weight of his 22 opinions, not their admissibility. See In re Novatel, 2013 WL 12144150, at *8 (“[T]he 23 failure to include one of the relevant [non-fraudulent] variables does not dictate exclusion 24 of the [loss causation] report as unreliable.”); In re Homestore.com, Inc., No. CV 01-11115 25 RSWL CWX, 2011 WL 291176, at *8 (C.D. Cal. Jan. 25, 2011) (“[The] expert . . . 26 expressly states that her regression analysis distinguishes between loss attributable to 27 alleged fraud and loss attributable to non-fraud related news and events. . . . As a result, 28 [she] makes an attempt to account for other possible causes, and her opinions therefore - 16 - 1 meet the reliability threshold requirement.”); S.E.C. v. Leslie, No. C 07-3444, 2010 WL 2 2991038, at *15 (N.D. Cal. July 29, 2010) (“While [defendant] certainly may argue to the 3 jury that [the expert] did not reliably filter out other confounding variables that would have 4 affected the stock price[,] . . . he has not shown that [the] opinion is so unreliable that it 5 must be excluded.”); In re Sci.-Atlanta, Inc. Sec. Litig., No. CIV.A.1:01-CV1950RWS, 6 2009 WL 4281256, at *3 (N.D. Ga. Nov. 24, 2009) (“[The expert] conducted an event 7 study which is an acceptable method for analyzing loss causation. . . . The failure to 8 disaggregate the fraudulent and non-fraudulent statements does not require exclusion of 9 [his] opinion[.]”).8 Defendants’ motion to exclude Feinstein’s testimony (Docs. 545, 632) is denied. 10 11 V. Plaintiffs’ Motion to Exclude Dr. Kleidon’s Testimony (Docs. 469, 485). 12 Defendants retained Dr. Allan Kleidon to rebut Dr. Feinstein’s opinions on loss 13 causation and damages. Doc. 469-1 at 6. Plaintiffs move to exclude Dr. Kleidon’s 14 testimony based on the method of his event study and his “peer comparison” opinion. 15 Docs. 469 (lodged), 485 (public). Dr. Kleidon’s Event Study. 16 A. 17 Dr. Kleidon conducted an event study and found no evidence that company-specific 18 information caused statistically significant price declines in First Solar’s stock on the 19 corrective disclosure dates. Doc. 469-1 at 7, 26-75. Dr. Kleidon claims that Dr. Feinstein’s 20 event study is flawed in finding statistically significant declines, in part because Feinstein 21 fails to account for the increased “beta” of First Solar stock on those dates.9 Id. at 7. 22 8 23 24 25 26 27 The cases Defendants cite in their reply (Doc. 654 at 11-12) are distinguishable. See Bricklayers & Trowel Trades Int’l Pension Fund v. Credit Suisse First Bos., 853 F. Supp. 2d 181, 191 (D. Mass. 2012) (“Given . . . the pervasiveness of [the expert’s] methodological errors and the lack of congruity between his theory and the data, the Court is compelled to exercise its role as gatekeeper and to exclude his event study as unreliable.”); In re Omnicom Grp., Inc. Sec. Litig., 541 F. Supp. 2d 546, 554 (S.D.N.Y. 2008) (finding that “there [was] simply no way for a juror to determine whether the alleged fraud caused any portion of Plaintiffs’ loss” where the expert’s “event study at best incorrectly identifies several corrective disclosures and at worst fails to identify any at all”). A “beta” measures stock price volatility – the degree to which a single company’s stock return fluctuates in response to forces that affect the industry or market as a whole. See Docs. 469 at 11, 622 at 5. A stock with a beta above 1.0 is more volatile than the 9 28 - 17 - 1 Plaintiffs contend that Dr. Kleidon’s use of a date-specific beta improperly alters the 2 widely-accepted event study methodology by applying a manual adjustment that attributes 3 nearly all of First Solar’s stock price declines on corrective disclosure dates to industry- 4 wide, rather than company-specific, information. Doc. 469 at 5; see Doc. 469-3 at 33. 5 Plaintiffs claim that this adjustment is invalid because it measures “the impact of First 6 Solar’s company-specific information on First Solar’s industry peers’ stock – an inquiry 7 that has no relevance to loss causation and damages in this case – and then treats the result 8 as a measurement of the industry’s impact on First Solar’s stock.” Doc. 469 at 6 (emphasis 9 in original). 10 Plaintiffs have a point. Dr. Kleidon seems to assert that First Solar’s corrective 11 disclosures on the key dates, which revealed negative information about the LPM and hot 12 climate defects, reduced stock prices in the entire solar industry, which resulted in an 13 increased correlation between First Solar stock prices and industry stock prices (because 14 First Solar stock also decreased that day) and therefore increased First Solar’s beta, at least 15 on that date. Applying the higher daily beta, Dr. Kleidon’s event study seems to suggest 16 that the reduction in First Solar stock was a reaction to downward price movement in the 17 solar industry and cannot be attributed to any company-specific factors at a statistically 18 significant level. This seems to be a kind of economic boomerang. First Solar’s corrective 19 disclosures depressed the stocks of other companies, which in turn depressed the price of 20 First Solar stock – at a higher rate than usual due to the increased daily beta – leading to 21 the conclusion that First Solar’s negative disclosures were not the cause of its stock price 22 decline. But it is difficult to understand how a process that begins with allegedly fraud- 23 related disclosures, and eventually reduces First Solar stock, cannot be said to have been 24 caused by the fraud-related disclosures. 25 Plaintiffs argue that Dr. Kleidon uses unreliable methodology to reach this 26 conclusion because event analysis does not use a daily beta as he does, the article Kleidon 27 28 overall market, while a beta below 1.0 is less volatile. See United States v. Gushlak, No. 03-CV-833 NGG, 2012 WL 1379627, at *4 (E.D.N.Y. Apr. 20, 2012); ASARCO LLC v. Ams. Mining Corp., 396 B.R. 278, 354 n.72 (S.D. Tex. 2008). - 18 - 1 relies on for his daily beta does not support his approach, the effects of a company’s 2 negative disclosures are unidirectional – they affect prices in the market, not vice versa – 3 and Dr. Kleidon errs in concluding that the increased daily beta he observed was caused by 4 First Solar’s negative information.10 5 After considering these arguments, the Court concludes that Plaintiffs, like 6 Defendants with respect to Dr. Feinstein, are quarrelling more with the results of Kleidon’s 7 analysis than his methodology. Plaintiffs do not dispute Dr. Kleidon’s qualifications. After 8 receiving a Ph.D. in economics and finance from the University of Chicago, Dr. Kleidon 9 taught at Stanford University and the University of California at Berkeley. Doc. 485-2. 10 He has served as an associate editor for the Journal of Finance and the Journal of Financial 11 Economics, and has conducted event studies and testified about causation and damages in 12 numerous securities actions. 13 14 Nor do Plaintiffs dispute the reliability of his general methodology – an event study. It is the same method used by Plaintiffs’ expert Dr. Feinstein. 15 Plaintiffs disagree with how Dr. Kleidon applies the event study methodology. 16 They claim that he errs by introducing a daily-calculated beta for First Solar stock rather 17 than using the more general beta adopted by Dr. Feinstein and typically used in event 18 studies. But Plaintiffs cannot dispute that the peer-reviewed article relied on by Dr. 19 Kleidon specifically finds that higher betas occur on dates of significant public disclosures: 20 “Using daily firm-level betas estimated from intraday prices, we find that betas increase on 21 earnings announcement days and revert to their average levels two to five days later.” 22 Andrew J. Patton & Michela Verardo, Does Beta Move with News? Firm-Specific 23 Information Flows and Learning about Profitability, 25 Rev. of Fin. Stud. 2789, 2789 24 (2012) (“Patton & Verardo”). Nor do Plaintiffs argue that Dr. Kleidon misapplied the 25 technique developed by Patton & Verardo for calculating a daily beta. 26 Plaintiffs discuss Dr. Kleidon’s bellwether opinion, which suggests that First Solar was an industry leader watched by analysts and others, and therefore more likely to affect solar industry stock prices than non-bellwether companies. But their primary complaint is about how this is translated into an increased daily beta as part of his event study. 10 27 28 - 19 - 1 Instead, Plaintiffs’ argument boils down to this: 2 The causation described in the literature on which Kleidon relies is unidirectional – from the Company spilling over to the market. Feinstein Rebuttal, ¶¶78-82. These studies observe that a company’s earnings announcements, which may or may not include information with implications for the market or industry, could influence the market in general. Id. Because of this spillover effect, some researchers have found that there is a greater correlation between a company’s stock price returns and the market index returns on earnings announcement dates. Id. But, correlation does not imply causation, and the literature Kleidon relies on does not suggest that the company is more sensitive to sector news on earnings announcement days. Id. To the contrary, the correlation that the researchers detect is, as they explain, an artifact of the sector reacting to company news, not, as Kleidon claims, an increased sensitivity of the Company to sector news. Id. 3 4 5 6 7 8 9 10 11 12 Doc. 469 at 12. The sole authority Plaintiffs cite for this key argument is their own expert, 13 Dr. Feinstein. And the portion of his report from which this language is directly quoted 14 cites no other authorities. See Doc. 469-3, ¶¶ 80-82. Thus, it is clear that Feinstein 15 disagrees with Kleidon’s application of an event study, just as Kleidon disagrees with 16 Feinstein’s. This is not a basis for inadmissibility. 17 The Court concludes that both experts are well qualified and apply a generally 18 accepted methodology for determining loss causation. Although the Court sees problems 19 in the conclusions of each expert, the Court does not find a basis for excluding their 20 opinions. The Court is satisfied that the testimony of both experts is sufficiently reliable 21 to be admitted under Rule 702. As the Advisory Committee noted when it amended 22 Rule 702 after Daubert: “When a trial court, applying the amendment, rules that an expert’s 23 testimony is reliable, this does not necessarily mean that contradictory expert testimony is 24 unreliable.” Fed. R. Evid., 2000 Advisory Committee Note. 25 B. 26 The background section of Dr. Kleidon’s report discusses macroeconomic and 27 industry factors that adversely affected the solar industry during the Class Period. 28 Doc. 469-1 at 11-21. Dr. Kleidon intends to testify that “the solar industry was adversely Dr. Kleidon’s Peer Comparison. - 20 - 1 affected by a number of issues during the Class Period, and First Solar’s stock price decline 2 was nearly identical to that of the Industry Peers.” Id. at 93; see Doc. 622 at 20. 3 Plaintiffs contend that Dr. Kleidon’s peer comparison is inadmissible because it is 4 unreliable, irrelevant to loss causation and damages, and focuses on the wrong timeframe. 5 Docs. 469 at 20-21, 640 at 13-14. Defendants counter that the peer comparison is directly 6 responsive to Plaintiffs’ claims about First Solar’s stock performance and Dr. Feinstein’s 7 opinions, and provides context about First Solar’s business and the environment in which 8 the company operates. Doc. 622 at 20-21. 9 The Court cannot conclude that the peer comparison is irrelevant. Plaintiffs contend 10 that First Solar’s stock price drop was due to Defendants’ alleged fraud. Doc. 93 ¶ 4. And 11 Dr. Feinstein asserts that his damages opinion is conservative because it accounts for only 12 $29.41 of the $280.72 that First Solar declined over the Class Period. Doc. 545-1 ¶ 21. 13 Given these assertions, Dr. Kleidon’s explanation of the solar industry’s general stock price 14 decline during the Class Period is clearly relevant. 15 Plaintiffs claim that Kleidon does not use a defined or accepted methodology for 16 this opinion, but they do not dispute that he is qualified to opine on the causes of stock 17 price declines, and it does not require a scientific method for such an expert to identify 18 relevant comparison stocks and identify their general trend. The Court will not exclude 19 this portion of Dr. Kleidon’s testimony. Plaintiffs may object at trial to any testimony they 20 view as unfounded or irrelevant. 21 Plaintiffs’ motion to exclude Kleidon’s testimony (Docs. 469, 485) is denied. 22 Dated this 27th day of December, 2019. 23 24 25 26 27 28 - 21 -

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