SES AI is trading at $0.57, up 7.13%, with the specific driver unverified.
- On September 28, 2026, SES AI announced ISO 9001:2015 certification for its Chungju battery facility.
- The company said South Korean export-control changes create competitive advantages for its NDAA-compliant cells; it did not link the announcement to the share-price move. Broader markets were lower and do not explain the gain.