shares of becton dickinson  co bdx dropped 031 to 25550 friday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 021 to 413764 and dow jones industrial average djia falling 042 to 3388647 the stocks fall snapped a twoday winning streak becton dickinson  co closed 1667 short of its 52week high 27217 which the company achieved on april 18th despite its losses the stock outperformed some of its competitors friday as danaher corp dhr fell 108 to 25167 medtronic plc mdt fell 108 to 8071 and dexcom inc dxcm fell 050 to 11570true trading volume 696196 remained 393681 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