shares of quest diagnostics inc dgx rallied 243 to 13609 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 013 to 393008 and dow jones industrial average djia falling 033 to 3173030 the stocks rise snapped a threeday losing streak quest diagnostics inc closed 3807 short of its 52week high 17416 which the company reached on december 31st the stock demonstrated a mixed performance when compared to some of its competitors thursday as laboratory corp of america holdings lh rose 254 to 24464 qiagen nv qgen rose 039 to 4427 and sonic healthcare ltd adr skhhy fell 053 to 2418 trading volume 960714 remained 176942 below its 50day average volume of 11 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