Pfizer Stock After Hours (PFE) on Dec. 15, 2025: What Moved Shares Today—and What to Watch Before Tuesday’s Open
Pfizer Inc. (NYSE: PFE) ended Monday’s session on a strong note, then traded slightly lower after the closing bell as investors shifted their attention to the next major catalyst: Pfizer’s scheduled analyst call Tuesday morning, where management is expected to outline full-year 2026 financial guidance. Yahoo Finance+2Pfizer+2 In regular trading, Pfizer shares closed at $26.43, up 2.24% on the day. After hours, the stock was modestly lower, trading around $26.34 (down 0.34%) as of early evening. Yahoo Finance Below is what mattered most for Pfizer stock after the bell on Monday, December 15, 2025, and what investors typically want on