Shares of Biogen Inc. BIIB, +1.20% slipped 0.98% to $222.59 Monday, on what proved to be an all-around mixed trading session for the stock market, with the Dow Jones Industrial Average DJIA, +1.43% rising 0.16% to 34,337.87 and the S&P 500 Index SPX, +1.91% falling 0.08% to 4,411.55.
Biogen Inc. closed $97.17 below its 52-week high ($319.76), which the company reached on June 12th.
The stock demonstrated a mixed performance when compared to some of its competitors Monday, as Johnson & Johnson JNJ, +0.02% rose 0.26% to $147.63 and Pfizer Inc. PFE, +0.97% fell 1.70% to $28.98.
Trading volume (856,301) remained 124,827 below its 50-day average volume of 981,128.