🟢 Horizon Quantum Holdings is trading 5% up in after-hours trading — no verified catalyst identified

Horizon Quantum Holdings is trading at $15.94, up +5.01%, in after-hours trading, with no verified catalyst explaining the rise.

• Its investor-relations page lists September 15, 2026, as its latest release; no October 13 announcement appears there.
• A market-news search found no October 13 headlines for the company. Trading volume or activity details were unavailable.
• The broader market was mixed, with the Nasdaq higher and the S&P 500 and Dow slightly lower; available evidence does not establish a market-driven explanation.