shares of thermo fisher scientific inc tmo slid 173 to 54883 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 153 to 398637 and dow jones industrial average djia falling 172 to 3285646 this was the stocks second consecutive day of losses thermo fisher scientific inc closed 6953 below its 52week high 61836 which the company reached on april 8th despite its losses the stock outperformed some of its competitors tuesday as danaher corp dhr fell 184 to 24525 trading volume 10 m remained 425471 below its 50day average volume of 14 m 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