shares of quest diagnostics inc dgx advanced 195 to 14310 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 024 to 456572 and the dow jones industrial average djia rising 031 to 3506121 this was the stocks second consecutive day of gains quest diagnostics inc closed 1524 short of its 52week high 15834 which the company reached on december 29th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as unitedhealth group inc unh rose 074 to 50370 iqvia holdings inc iqv rose 055 to 22546 and centene corp cnc rose 326 to 6849 trading volume 784236 remained 111600 below its 50day average volume of 895836 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