Biotechnology Stocks Week Ahead (Dec. 22–26, 2025): BioMarin–Amicus Deal, Cytokinetics FDA Win, IPO Filings, and Drug-Price Policy Risks
Biotechnology stocks head into the Christmas-shortened trading week with fresh momentum—and plenty for investors to digest—after a dense run of catalysts between December 19 and December 21, 2025. In the span of 48 hours, the sector saw a major rare-disease acquisition, a closely watched FDA approval in cardiology, IPO paperwork from both biotech and medtech, and a sweeping wave of U.S. drug-pricing headlines that could reshape sentiment into 2026. Investopedia+4Reuters+4Reuters+4 The setup matters because next week’s market structure will be unusual: U.S. stock markets are scheduled to close early on Wednesday, December 24 (1:00 p.m. ET) and remain closed on