QTREX Quantum is trading at $0.84, up 7.36% in after-hours trading, with no confirmed catalyst for the rebound.
- It closed at $0.78 on September 22, 2026.
- No confirmed company-specific announcement, earnings release, or late-breaking catalyst explains the move. The latest identified company news concerns an August 13 defense-laboratory collaboration, not a September 22 event.
- Broader risk appetite may be a factor, with the Nasdaq Composite up 0.52%; the catalyst remains unconfirmed.