HQ is trading 7.1% up in after-hours at $30.42 as the stock attempts to recover from a steep two-day selloff following recent momentum-driven highs.

  • The move comes amid heavy speculative trading surrounding Horizon Quantum’s quantum-computing partnerships and European expansion.
  • No new company-specific headlines or earnings were released on June 24, 2026, to directly explain the after-hours rebound.