Stem is trading 10.46% up at $4.31 in pre-market after an unexplained overnight rebound from its September 24 close of $3.90.
- No verified company-specific announcement, filing, earnings release, or analyst action for September 25 has been identified.
- Stem’s latest listed 10-Q and S-8 filings were dated August 13, 2026.
- Broader markets are modestly higher, but the move appears disproportionate and lacks a confirmed catalyst.