Biogen Rises After Muscular Disorder Drug Data, Piper Upgrade By: TalkMarkets November 07, 2016 at 12:38 PM EST Shares of Biogen have gained almost 6% to $292.94 and Ionis Pharmaceuticals' stock has jumped nearly 20% to $32.05. Read More >> Related Stocks: Biogen Idec Ionis Pharmaceuticals