Shares of Biogen Inc. BIIB, -0.63% slumped 0.63% to $290.08 Friday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index SPX, +0.25% rising 0.25% to 4,070.56 and the Dow Jones Industrial Average DJIA, +0.08% rising 0.08% to 33,978.08. This was the stock’s second consecutive day of losses. Biogen Inc. closed $21.80 short of its 52-week high ($311.88), which the company achieved on November 30th.
The stock demonstrated a mixed performance when compared to some of its competitors Friday, as Johnson & Johnson JNJ, -0.39% fell 0.39% to $168.23 and Pfizer Inc. PFE, -1.04% fell 1.04% to $43.79. Trading volume (894,083) remained 353,395 below its 50-day average volume of 1.2 M.