A Brief Timeline Of The Bill Ackman-Valeant Relationship By: Benzinga via Benzinga March 14, 2017 at 14:37 PM EDT After a headline-filled tenure, Bill Ackman's investment in Valeant Pharmaceuticals Intl Inc (NYSE: VRX) is over. As first reported ... Read More >> Related Stocks: Air Products & Chemicals Canadian Pacific Railway Limited Mondelez International Valeant Pharmaceuticals International, Inc.