Quantum computing has long been constrained by the messy reality of controlling fragile qubits with bulky, power-hungry ...

Quantum computing technology is complex, getting off the ground and maturing. There is promise of things to come. potentially changing the computing paradigm.

Infleqtion, a global leader in quantum sensing and quantum computing, announced research results from a collaboration with the University of Wisconsin–Madison that demonstrate a more reliable way to ...

Taiwan has quietly crossed a threshold that many larger powers are still struggling to reach, unveiling a 20-qubit superconducting quantum computer designed, fabricated, and integrated entirely on its ...

The MarketWatch News Department was not involved in the creation of this content. BERKELEY, Calif., Jan. 09, 2026 (GLOBE NEWSWIRE) -- Rigetti Computing, Inc. (Nasdaq: RGTI) ("Rigetti" or the "Company" ...

Another major quantum computing record has been broken, and by a considerable margin: physicists have now built an array containing 6,100 qubits, the largest of its type and way above the thousand or ...

A new light-based breakthrough could help quantum computers finally scale up. Stanford researchers created miniature optical cavities that efficiently collect light from individual atoms, allowing ...

IonQ currently has the most accurate quantum computing solution based on one key metric. The level of hype around quantum ...

Amazon is boosting its quantum computing bets with Peter DeSantis, its new leader for AI models, custom silicon (semiconductor chips) and quantum computing. DeSantis is a 27-year Amazon veteran who ...

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