Pfizer Stock Soars: Trump’s Drug-Price Deal and $7B Weight-Loss Bet Spark Rally
Stock Price & Recent Performance Pfizer’s stock has been rangebound in the low-to-mid $20s for much of 2025. By late September, PFE traded around $23.60 – about 9% below its price a year earlier ts2.tech – as investors grappled with the end of Covid vaccine and treatment revenues. That all changed in early October. In the final trading week of September, Pfizer shares jumped ~15%, rallying from roughly $23.6 (Sept. 25) to about $27.2 by Oct. 1 ts2.tech. This dramatic move was largely driven by two key announcements (see below) and marked one of PFE’s strongest weekly gains in years.