SES AI is trading at $0.76, up 6.43% in pre-market after its October 19, 2026 announcement that its Korean drone-battery plant reached annual capacity of 1 million compliant cells. - Expansion to 3 million cells is planned by Q2 2027. - SES AI cited stronger-than-expected customer demand as the reason for the expansion. - An October 16 reverse-split proposal is additional recent context.