John C. Coffee Jr.

Firm/Organization: Columbia Law School
Blogs: The CLS Blue Sky Blog

Latest Articles

I am very happy and honored to be back before this committee. I have been asked to comment on several proposed bills, all of which I basically support, but I will focus my limited time today primarily on Congressman Himes’ Discussion Draft of an “Insider Trading Prohibition Act.” I want to commend Congressman Himes for having supervised the drafting of a very careful, balanced and sophisticated bill that should serve as a model for a…
Stock market manipulation has been around since shortly after stock markets were invented. Everyone is familiar with the methodology in the standard “pump and dump” scheme: False rumors are circulated, the stock is bid up by the manipulators, supply might be constrained, and, once the public’s appetite is aroused, the stock is dumped by the manipulators. But the internet has changed all that. No need exists today for the boiler shop or its battery of…