shares of becton dickinson  co bdx slumped 022 to 25298 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx remaining mostly unchanged at 410894 and the dow jones industrial average djia rising 029 to 3368479 this was the stocks second consecutive day of losses becton dickinson  co closed 2115 below its 52week high 27413 which the company reached on april 14th the stock underperformed when compared to some of its competitors tuesday as danaher corp dhr rose 014 to 24988 medtronic plc mdt rose 095 to 8100 and dexcom inc dxcm rose 223 to 11504 trading volume 908439 remained 193276 below its 50day average volume of 11 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