Shares of Biogen Inc. BIIB, -0.83% sank 0.83% to $255.84 Tuesday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index SPX, -0.15% falling 0.15% to 4,756.50 and Dow Jones Industrial Average DJIA, -0.42% falling 0.42% to 37,525.16.
Biogen Inc. closed $63.92 short of its 52-week high ($319.76), which the company achieved on June 12th.
The stock underperformed when compared to some of its competitors Tuesday, as Johnson & Johnson JNJ, +0.06% rose 0.06% to $161.63 and Pfizer Inc. PFE, -0.61% fell 0.61% to $29.40.
Trading volume (800,456) remained 323,686 below its 50-day average volume of 1.1 M.