Three health-care deals today are paying huge premiums By: MarketWatch March 30, 2015 at 15:42 PM EDT The industry is enriching investors who own target companies, writes Phil van Doorn. Read More >> Related Stocks: AbbVie Actavis Plc Ardelyx Inc Ares Acquisition Corp Cl A Endo Int'l Plc Heartbeam Inc Hms Hlds Cp Horizon Therapeutics Kindred Healthcare, Inc. Common Stock Macy's Mallinckrodt plc Ohr Pharmceutial Orasure Tech Inc Otsuka Holdings Company ADR Owens & Minor Palatin Technologies Rockwell Medical IN Teva Pharmaceutical Industries ADR UnitedHealth Group