Pfizer (PFE) Stock After Hours: What’s Moving Shares After the Dec. 23, 2025 Close—and What to Watch Before Dec. 24’s Open
Pfizer (NYSE: PFE) ended Tuesday’s session (December 23, 2025) lower, then steadied in extended trading as investors digested a late-day safety headline tied to its hemophilia medicine Hympavzi (marstacimab). After-hours snapshot (as of 6:56 p.m. ET): PFE traded around $24.92, up about 0.16% in after-hours action, after closing the regular session at $24.88. Yahoo FinanceDuring Tuesday’s regular session, PFE ranged roughly between $24.84 and $25.34 with volume near 43.7 million shares. Where Pfizer Stock Closed on Dec. 23—and Why the Tape Looked “Holiday Thin” PFE closed down 1.31% at $24.88, snapping a two-day winning streak even as the broader market