shares of laboratory corp of america holdings lh shed 001 to 21523 friday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 053 to 447803 and dow jones industrial average djia falling 043 to 3506562 laboratory corp of america holdings closed 1045 short of its 52week high 22568 which the company achieved on august 15th the stock demonstrated a mixed performance when compared to some of its competitors friday as iqvia holdings inc iqv rose 030 to 21693 and centene corp cnc fell 039 to 6580 trading volume 518030 remained 175926 below its 50day average volume of 693956 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