GSK Stock on 10 December 2025: FDA Orphan-Drug Win, New Cancer Deal and What It Means for Investors
The US FDA granted Orphan Drug Designation to GSK’s experimental lung cancer therapy risvutatug rezetecan on December 10. GSK shares traded near 1,780 pence in London, up about 29% over 12 months. The drug targets small-cell lung cancer and has shown durable responses in early trials. GSK’s US ADR closed at $47.27, near its 52-week high.