shares of unitedhealth group inc unh shed 242 to 51719 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 039 to 394994 and dow jones industrial average djia falling 013 to 3370028 the stocks fall snapped a threeday winning streak unitedhealth group inc closed 4091 below its 52week high 55810 which the company reached on october 31st editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use