Why Valeant Pharmaceuticals Intl Inc (VRX), Endo International plc (ENDP) and Southwestern Energy Company (SWN) Are 3 of Today’s Worst Stocks By: InvestorPlace February 29, 2016 at 11:48 AM EST Read More >> Related Stocks: Allergan Plc Endo Int'l Plc Southwestern Energy Valeant Pharmaceuticals International, Inc.