GSK Stock Near 52-Week Highs: Upgraded 2025 Guidance, Buybacks and Zantac Relief Fuel Re‑Rating
GSK shares traded near 52-week highs on December 9, 2025, with London shares at £18.05 and NYSE ADRs at $48.5, both up over 30% year-on-year. The stock surged after a Q3 earnings beat and upgraded 2025 guidance, driven by strong HIV and oncology drug sales. GSK now expects full-year sales growth of 6–7% and core EPS growth of 10–12%.