shares of biogen inc biib inched 074 higher to 28579 wednesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 041 to 409195 and dow jones industrial average djia falling 011 to 3364650 this was the stocks second consecutive day of gains biogen inc closed 2609 below its 52week high 31188 which the company achieved on november 30th the stock outperformed some of its competitors wednesday as johnson  johnson jnj fell 021 to 16392