shares of laboratory corp of america holdings lh rallied 210 to 28061 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 009 to 470170 and the dow jones industrial average djia rising 029 to 3643222 the stocks rise snapped a twoday losing streak laboratory corp of america holdings closed 2899 below its 52week high 30960 which the company achieved on september 9th the stock outperformed some of its competitors monday as idexx laboratories inc idxx fell 050 to 63421 quest diagnostics inc dgx rose 119 to 14222 and qiagen nv qgen rose 017 to 5433 trading volume 394585 remained 175119 below its 50day average volume of 569704 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