

In order to obtain class certification, the 10b-5 action plaintiff must show that the defendant company’s shares trade in an efficient market. In order for a court to determine whether the company’s shares trade in an efficient market, it must consider the five “Cammer factors,” of which one is whether the company has a sufficient number of analysts following its stock. In the following guest post, Tiago Duarte-Silva, Vice President, Charles River Associates, and Assen Koev, Principal, Charles River Associates, take a look at this Cammer analyst factor and what it may tell us about 10b-5 actions. A version of this article previously was published by Charles River Associates as a newsletter. I would like to thank Tiago and Assen 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 Tiago’s and Assen’s article.
Continue Reading Guest Post: The Cammer Analyst Factor in Securities Class Actions
As I have detailed in
In the following guest post, attorneys from the Paul Weiss law firm take a look at the Second Circuit’s January 12, 2018 decision in Arkansas Teacher Retirement System v. Goldman Sachs Group, Inc. (
I have had this perception for several years now that the U.S. Supreme Court recently has been particularly keen to take up securities cases. It turns out that this perception has a basis in objective fact. A
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’s
In the early days of the Trump presidency, the new administration has made it clear that it is going to
In its 

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