Biogen Stock Forecast for the Week Ahead (Dec. 22–26, 2025): BIIB Near 52-Week High as Leqembi Momentum Meets an Analyst Split
Biogen Inc. (NASDAQ: BIIB) heads into the Christmas week with its stock hovering just below a recent high, a fresh spike in trading volume, and a narrative that’s increasingly dominated by one question: can the company turn Leqembi’s momentum into