shares of bristol myers squibb co bmy slid 300 to 5649 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 051 to 455168 and dow jones industrial average djia falling 074 to 3549069 the stocks fall snapped a twoday winning streak bristol myers squibb co closed 1326 short of its 52week high 6975 which the company reached on august 23rd the stock underperformed when compared to some of its competitors wednesday as johnson  johnson jnj fell 121 to 16374 merck  co inc mrk fell 086 to 8154 and pfizer inc pfe fell 135 to 4297 trading volume 187 m eclipsed its 50day average volume of 99 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