Arqit Quantum is trading at $15.51, down 5.43%, amid broad technology-share weakness; no report directly links its move to a specific event.
- Arqit’s press-release listing shows no new company-specific announcement on October 22; its latest listed release was the October 20 Sirius investment.
- Reuters reported renewed concern over AI spending and rising oil prices, with the Nasdaq sliding more than 2%.