WQEY ▲ +5.6% - WISeKey International Holding AG $WQEY - Quantisimo Corp., the Pure-Play Sovereign Quantum Vertical Platform “Root to Qubit” Formed by WISeQey and SEALSQ, Signs Definitive Business Combination Agreement with GigCapital8 Corp. to Become a Nasdaq-Listed Public Company 09-OCT-2026 01:00 AM ET