shares of steris plc ste slid 232 to 18377 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 009 to 415487 and the dow jones industrial average djia falling 003 to 3397663 steris plc closed 7216 short of its 52week high 25593 which the company achieved on april 20th the stock underperformed when compared to some of its competitors tuesday as thermo fisher scientific inc tmo fell 064 to 58486 danaher corp dhr rose 015 to 25614 and becton dickinson  co bdx fell 105 to 25359 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