shares of bristol myers squibb co bmy sank 093 to 6416 wednesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 008 to 437259 and the dow jones industrial average djia falling 068 to 3397933 bristol myers squibb co closed 1728 short of its 52week high 8144 which the company achieved on december 1st the stock demonstrated a mixed performance when compared to some of its competitors wednesday as johnson  johnson jnj rose 051 to 16156 pfizer inc pfe fell 228 to 3936 and abbott laboratories abt rose 136 to 10325 trading volume 64 m remained 15 million below its 50day average volume of 79 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