shares of davita inc dva slipped 040 to 10156 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 025 to 450189 and dow jones industrial average djia falling 019 to 3521589 this was the stocks second consecutive day of losses davita inc closed 540 below its 52week high 10696 which the company achieved on july 18th the stock underperformed when compared to some of its competitors thursday as unitedhealth group inc unh rose 001 to 50486 and icon plc iclr fell 018 to 25105 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