Sono Group is trading 8.03% up at $2.49 in after-hours trading after closing at $2.31 on September 9, 2026, following a 24.92% regular-session decline.
- No verified September 9 company-specific announcement, earnings release, or filing was found to directly explain the after-hours rebound.
- The previously announced non-binding Sports One combination remains the latest major catalyst but predates this move and should not be treated as a confirmed cause.