Bill Ackman Posted by John on July 21, 2014

The Big Short War

Hedge-fund titan Bill Ackman has vowed to bring down Herbalife, the 33-year-old nutritional-supplement company, which he views as a pyramid scheme. With his massive shorting of Herbalife stock, the price plummeted, prompting two fellow billionaires—Ackman’s former friend Dan Loeb and activist investor Carl Icahn—to take the opposing bet on Herbalife. As the public brawl rivets Wall Street, William D. Cohan learns why, this time, it’s personal.

By William D. Cohan and compliments of Vanity Fair, April 2013 (dated but relevant)