Ackman: Allergan Is A Good Merger Arbitrage Play, Potential 28% Upside By: Benzinga via Benzinga December 18, 2014 at 16:15 PM EST Pershing Square’s CEO Bill Ackman spoke on Bloomberg TV Wednesday, discussing several issues, including Herbalife Ltd.’s ... Read More >> Related Stocks: Actavis Plc Canadian Pacific Railway Limited Herbalife Ltd McDonald's Corp