Bill Ackman, Pershing Square, explains why he is not upping his bid for Allergan. The market clearly thinks the chance of Valeant Pharmaceuticals Intl Inc (NYSE:VRX) (TSE:VRX) buying Allergan, Inc. (NYSE:AGN) has gone up, says Ackman.

Ackman On HLF ‘Seminar’: To Be Most important Presentation I Ever Make

Ackman: Herbalife is going to collapse

Pershing Square’s Bill Ackman says he’ll show evidence that Herbalife Ltd. (NYSE:HLF) is a massive fraud.