Horizon Quantum Holdings is trading +6.13% at $17.14 in pre-market on October 8, 2026, with no clear catalyst identified. - Its investor-relations release page lists September 15, 2026 as the latest release. - The Quantum Machines collaboration was announced July 29, not as a new October 8 catalyst. - Broader pre-market indices are lower, but the supplied evidence does not establish a company-specific or market-wide explanation for the gain.