Midday movers: Allergan, Valeant, US Steel & more By: CNBC.com News June 02, 2014 at 12:20 PM EDT Take a look at some of Monday's midday movers: Read More >> Related Stocks: Aspen Insurance Holdings Clovis Oncology Inc Conn's Inc Express Inc Gsk Plc ADR Mastec Inc Omeros Corp Starwood Hotels & Resorts United States Steel Corp Valeant Pharmaceuticals International, Inc.