Summit Therapeutics is trading at $18.55 (+5.70%) after partner Akeso reported statistically significant, clinically meaningful overall-survival results for ivonescimab versus pembrolizumab in PD-L1-positive advanced lung cancer.

  • Updated HARMONi-2 data are scheduled for presentation at WCLC 2026 on September 15, 2026, providing an imminent clinical catalyst.
  • The move is company-specific rather than driven by today’s weaker futures.