Arqit Quantum is trading at $15.20, up 8.42%; available coverage does not explicitly attribute the rise to its Sirius Computer investment announcement.
- On October 20, Arqit Quantum announced an investment in Sirius Computer to support quantum-safe communications for defence and government users.
- The companies said funding will advance their Crux platform and joint product development.
- Supplied market context is mixed and does not establish a broader-market explanation. No reliable live volume figure was available.