shares of biogen inc biib shed 002 to 26998 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 016 to 397753 and the dow jones industrial average djia rising 060 to 3243208 the stocks fall snapped a twoday winning streak biogen inc closed 4190 short of its 52week high 31188 which the company reached on november 30th the stock demonstrated a mixed performance when compared to some of its competitors monday as johnson  johnson jnj rose 043 to 15330 and pfizer inc pfe fell 042 to 4022 trading volume 606288 remained 317107 below its 50day average volume of 923395 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