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