Biogen Stock (NASDAQ: BIIB) News and Forecasts for Dec. 20, 2025: RBC’s $210 Target, Leqembi Catalysts, and What Investors Are Watching
Biogen Inc. stock (NASDAQ: BIIB) is ending the week on a stronger note after a sharp, high-volume move on Friday’s session—an attention-grabbing setup heading into late December when liquidity often thins and headlines can move shares quickly. As of Saturday,