Bristol-Myers Squibb (BMY) Stock After Hours: BofA Upgrade Sparks a Rally — What to Know Before the Market Opens Dec. 16, 2025
Bristol-Myers Squibb Company (NYSE: BMY) is ending Monday’s session in the spotlight after a sharp, analyst-driven move that pushed the pharma giant higher into the close — and kept the shares firm in extended trading. After the closing bell on Monday, December 15, 2025, BMY was up about 3.6% in regular trading and added roughly another 0.6% after hours, as investors digested a bullish call from Bank of America and looked ahead to a potentially volatile macro catalyst before Tuesday’s open. MarketWatch Below is what moved the stock, what analysts are forecasting now, and the key items worth watching before