Arqit Quantum Inc. is trading 6.3% up today at $21.20 as the company announced the resolution of all U.S. securities class actions with a $7 million settlement.
- The settlement resolves a putative federal securities class action and a separate New York state putative class action.
- The stock is extending a powerful multi-day surge that began on June 15, 2026, with gains of 31.76% on June 15 and 11.27% on June 16, amidst a broader speculative technology rally fueled by a preliminary U.S.-Iran peace deal.