shares of idexx laboratories inc idxx inched 052 higher to 53514 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 155 to 430626 and dow jones industrial average djia falling 176 to 3329495 this was the stocks fourth consecutive day of gains idexx laboratories inc closed 17181 short of its 52week high 70695 which the company reached on july 29th the stock outperformed some of its competitors tuesday as abbott laboratories abt fell 203 to 11817 thermo fisher scientific inc tmo fell 017 to 54307 and henry schein inc hsic fell 008 to 8631 trading volume 618915 eclipsed its 50day average volume of 513592 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