PFE Phase 2 readout: a positive outcome, +0.0%

On February 17, 2026, Candidate 1: PF-07915234: VZV modRNA Powder for Suspension for Injection — PFIZER (Shingles) reached its Phase 2 readout. The result was a positive outcome, and the stock moved +0.0% in the window around the event. It had already run +8.5% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.