shares of biogen inc biib dropped 062 to 27984 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 067 to 443926 and the dow jones industrial average djia rising 093 to 3426142 biogen inc closed 3992 below its 52week high 31976 which the company reached on june 12th the stock underperformed when compared to some of its competitors tuesday as johnson  johnson jnj fell 055 to 15863 and pfizer inc pfe rose 095 to 3602 trading volume 900943 remained 190324 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