GSK Stock News Today (Dec. 18, 2025): Buyback Update, New FDA Approvals, and Analyst Forecasts for GSK plc
GSK plc (LSE: GSK; NYSE: GSK) is ending 2025 with a busy headline tape—exactly the kind of environment where investors tend to re-check both the “story” and the spreadsheet. On Thursday, December 18, 2025, GSK published a fresh share buyback update, while markets continue to digest a string of regulatory milestones across respiratory, vaccines, and infectious diseases that could shape the company’s growth profile into 2026. Below is what’s new as of 18.12.2025, what analysts are forecasting, and what matters most for GSK stock next. GSK stock snapshot on Dec. 18, 2025 In US trading, GSK’s ADR (NYSE: GSK) was