shares of laboratory corp of america holdings lh inched 006 higher to 21272 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 071 to 455498 and the dow jones industrial average djia rising 106 to 3495193 laboratory corp of america holdings closed 1332 below its 52week high 22604 which the company achieved on july 29th the stock underperformed when compared to some of its competitors tuesday as iqvia holdings inc iqv rose 129 to 22423 and centene corp cnc rose 194 to 6633 trading volume 565798 remained 81637 below its 50day average volume of 647435 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