Xanadu Quantum Technologies is trading at $6.10, up 5.54% in pre-market, rebounding after its September 22 decline; no new company-specific catalyst was identified. - On September 22, shares fell 21.57% to $5.78 after the lockup expiration made shares held by many early investors freely saleable, increasing potential selling pressure. - No September 23 company-specific announcement or earnings catalyst was identified; broader indexes were only modestly higher, limiting evidence for a market-driven explanation.