Since the U.S. Supreme Court’s 2014 decision in Halliburton II, the lower courts have wrestled with questions on how to address the “price impact” of corrective disclosures. In the following guest post, Matthew L. Mustokoff and Margaret E. Mazzeo, partners at the Kessler Topaz Meltzer & Check LLP law firm, examine several critical unanswered questions concerning price impact. I would like to thank Matt and Margaret for allowing me to publish their article as a guest post on this site. I welcome guest post submissions from responsible authors on topics of interest to this blog’s readers. Please contact me directly if you would like to submit a guest post. Here is the authors’ article.
Continue Reading Guest Post: Price Impact, the Speed of Information, and Securities Class Certification
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 (
Since the U.S. Supreme Court agreed to revisit the “fraud on the market” theory by granting cert in the Halliburton case a few weeks ago, many commentators (including