Quantinuum has introduced Helios, its most advanced quantum computer yet, setting new records in performance, fidelity, and scalability. Building on its predecessor H2, the system nearly doubles the ...

Investors piled into quantum computing stocks in 2025, but many of them are now declining sharply.

The shares of D-Wave Quantum Inc (NYSE:QBTS) are up 29.6% to trade at a record high of $17.04 at last glance. Today's surge comes after the company announced the launch of its sixth-generation quantum ...

Detailed price information for Rigetti Computing Inc (RGTI-Q) from The Globe and Mail including charting and trades.

D-Wave Quantum made Wall Street history Wednesday when its stock price soared to an all-time high of $20.96, capping off a remarkable run for the quantum computing pioneer. The surge followed ...

D-Wave Quantum Inc. (NYSE:QBTS) shares are trading higher Thursday after the company posted record first-quarter 2025 financial results and highlighted major technical milestones in commercial quantum ...

Churchill Capital is a special-purpose acquisition company that is merging with Infleqtion to take it public. The SPAC deal ...

The promise of so-called “quantum advantage” is simple. By harnessing the counterintuitive rules of quantum mechanics, quantum computers should be able to—in theory—surpass the computational potential ...

Euro-Q-Exa is one of six quantum computers being integrated into Europe’s most advanced supercomputing centres, alongside ...