Billionaire investor David Tepper increased his stake in the struggling health insurance giant, UnitedHealth ($UNH), during Q2. His move mirrors ...

George Soros’s investment firm, the family office of a Swedish packaging dynasty and Michael Platt’s BlueCrest Capital Management all increased their stakes in UnitedHealth last quarter, according to ...

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies ...