A recurring issue in securities cases involves the question of when plaintiffs may rely on the presumption of reliance under the fraud on the market doctrine. To invoke the presumption plaintiffs must show that the defendant company’s securities trade on an efficient market, which in turn raises the question of what the plaintiffs must show in order to demonstrate market efficiency. In the following guest post, attorneys from the Paul Weiss law firm review a recent Second Circuit decision on this issue, Waggoner v. Barclays PLC (here). I would like to thank the attorneys from the Paul Weiss law firm for allowing me to publish this article as a guest post. I welcome guest post submissions from responsible authors on topics of interest to this site’s readers. Please contact me directly if you would like to submit a guest post. Here is the Paul Weiss attorneys’ guest post.
Continue Reading Guest Post: Second Circuit: Price Impact Evidence Not Always Necessary to Establish Market Efficiency