Bill Ackman

(Newser) - In December 2012, a hedge fund manager accused nutrition company Herbalife of being a pyramid scheme; now, the FBI is investigating. The criminal probe comes on top of civil investigations from multiple agencies, including the Federal Trade Commision, the Financial Times reports—though no charges have been filed. Following news...

(Newser) - After buying a huge stake in JCPenney and backing a disastrous revamp that has left the chain floundering, Bill Ackman has decided he's done with the company. The Pershing Square hedge fund Ackman runs has announced its intention to unload its 18% stake in the company at a price...