SES AI is trading at $0.56, up +5.33%, as the specific cause of the move remains unclear. - No verified company-specific catalyst was found for September 25, 2026. SES AI’s official investor-relations page lists its latest 2026 announcement on August 13, with no September 25 release. - The trending Luxembourg satellite-factory story concerns the separate SES satellite operator, not SES AI Corporation. - Broader indexes are modestly higher.