shares of idexx laboratories inc idxx slipped 068 to 35903 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 030 to 390011 and dow jones industrial average djia falling 020 to 3143826 the stocks fall snapped a fiveday winning streak idexx laboratories inc closed 34792 below its 52week high 70695 which the company achieved on july 29th the stock underperformed when compared to some of its competitors monday as abbott laboratories abt fell 034 to 10908 thermo fisher scientific inc tmo fell 021 to 54364 and henry schein inc hsic rose 094 to 7802 trading volume 515889 remained 237241 below its 50day average volume of 753130 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