shares of laboratory corp of america holdings lh rose 157 to 23113 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 073 to 401965 and the dow jones industrial average djia rising 030 to 3410864 the stocks rise snapped a twoday losing streak laboratory corp of america holdings closed 8604 below its 52week high 31717 which the company achieved on december 31st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as iqvia holdings inc iqv rose 172 to 21680 and centene corp cnc fell 422 to 8322 trading volume 600205 remained 231493 below its 50day average volume of 831698 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