shares of laboratory corp of america holdings lh slid 134 to 25135 wednesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 156 to 392886 and dow jones industrial average djia falling 181 to 3329696 laboratory corp of america holdings closed 3885 short of its 52week high 29020 which the company reached on february 10th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as iqvia holdings inc iqv fell 045 to 22055 and centene corp cnc fell 215 to 7509 trading volume 564550 remained 156413 below its 50day average volume of 720963 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