Pfizer Stock (PFE) After Hours Today (Dec. 17, 2025): What to Know Before the Market Opens Thursday
Pfizer shares closed down 1.9% at $25.04 Wednesday, hitting session lows despite positive Phase 3 results for PADCEV plus KEYTRUDA in bladder cancer. The stock edged up to $25.07 after hours. Investors weighed new 2026 guidance projecting $59.5–$62.5 billion in revenue and a $1.5 billion decline in COVID-19 product sales. Broader U.S. market weakness also pressured the stock.