Horizon Quantum Holdings is trading 6.55% up now at $14.43, following a broader risk-on pre-market move as major U.S. indices gain more than 0.5%.

  • No new company-specific announcement was identified for September 21, 2026.
  • The latest official release, dated September 15, concerned share counts and lock-up agreements; the gain appears primarily aligned with global market strength rather than a fresh corporate catalyst.