🔴 Horizon Quantum Holdings is trading 7% down in after-hours trading after a 7.67% regular-session gain

Horizon Quantum Holdings is trading 6.96% lower at $16.06 after-hours, with no clear company-specific explanation identified.

• Shares closed at $17.26 on October 6, 2026, after gaining 7.67% in the regular session.
• The investor-relations release list has no October 6 announcement; its latest listed release is dated September 15.
• The broader market was positive during the session, so market-wide weakness does not clearly account for the after-hours drop.