shares of davita inc dva rose 136 to 7978 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 070 to 391925 and the dow jones industrial average djia rising 056 to 3370410 davita inc closed 4503 below its 52week high 12481 which the company achieved on april 20th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as unitedhealth group inc unh fell 083 to 48600 and icon plc iclr rose 780 to 21683 trading volume 571579 remained 371746 below its 50day average volume of 943325 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