🟢 Arqit Quantum is trading 7.5% up in after-hours trading with no confirmed catalyst identified

Arqit Quantum is trading 7.5% up at $22.12 after closing at $20.58 on September 10, 2026, with no confirmed catalyst identified.

• No clear company-specific announcement, earnings release, guidance update, or other catalyst dated September 10 was identified.
• Its investor-relations page lists the September 1 satellite-security demonstration as the latest highlighted news.
• The after-hours move remains unexplained rather than tied to a confirmed event.