shares of laboratory corp of america holdings lh slumped 056 to 20828 friday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 029 to 439895 and dow jones industrial average djia falling 055 to 3373488 laboratory corp of america holdings closed 1776 below its 52week high 22604 which the company reached on july 29th the stock demonstrated a mixed performance when compared to some of its competitors friday as iqvia holdings inc iqv fell 039 to 21681 and centene corp cnc fell 103 to 6650 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