Gossamer Bio is trading at $8.11, down 8.91%, in pre-market trading on October 15, 2026, with no company-specific catalyst identified.
- In the prior session, shares declined 8.76% to $8.90.
- Hotter-than-expected U.S. inflation heightened rate concerns as Asian equities and U.S. Nasdaq futures fell. Reuters reported technology stocks were pressured by higher-rate fears. This backdrop may be contributing to the move, but does not establish a company-specific cause.