Columbia Law School
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securities litigation
How Not to Write a Class Action “Reform” Bill
It was predictable. Given a solidly Republican Congress and a Republican president, sooner or later, an effort would be made in the Trump administration to curb class actions. Not surprisingly, it has come sooner, with the “Fairness in Class Action …
Toward a Better Understanding of Event Studies in Securities Litigation
Gauging Share-Price Response to News in Securities Litigation
Courts handling shareholder class actions and other types of securities litigation have expressed different views about how often stocks should respond to material news. Despite the importance of this issue in determining whether shares trade in an efficient market, these …
Halliburton and the Dog that Didn’t Bark
The Duke Journal of Constitutional Law & Public Policy recently published a symposium issue on the implications of the Supreme Court’s decision in Halliburton Co. v. Erica P. John Fund, Inc. (“Halliburton II”).[1] In my contribution, …