Arqit Quantum is trading at $22.17, up 10.13%, amid a broad technology-led rally on September 21, 2026, as falling oil prices and Treasury yields improve risk appetite.
- The Nasdaq Composite is up 1.79%, while the S&P 500 is up 1.20%.
- No fresh company-specific announcement was identified; volume was 124.59K, below the 462.19K average daily volume reported earlier in the session.
- Stronger crypto prices and optimism around upcoming U.S.-China discussions are also supporting growth-oriented assets.