shares of unitedhealth group inc unh shed 236 to 48687 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 295 to 420109 and dow jones industrial average djia falling 237 to 3281738 the stocks fall snapped a sixday winning streak unitedhealth group inc closed 2236 below its 52week high 50923 which the company achieved on december 30th despite its losses the stock outperformed some of its competitors monday as anthem inc antm fell 468 to 45453 humana inc hum fell 330 to 42683 and centene corp cnc fell 298 to 8349true trading volume 41 m eclipsed its 50day average volume of 33 m 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