UnitedHealth, CVS Health And Other Big Stocks Moving Lower In Thursday's Pre-Market Session

U.S. stock futures were mixed this morning, with the Nasdaq futures gaining around 50 points on Thursday.Shares of UnitedHealth Group Incorporated UNH fell sharply during Thursday's session.Shares of health insurance stocks traded lower after CMS announced a strategy to enhance and accelerate Medicare Advantage audits.UnitedHealth has lost nearly $140 billion from its market capitalization following a series of events such as downbeat Q1 results, CEO Andrew Witty stepping down and a potential criminal inves ...