Researchers have succeeded in building a quantum computer gate based on a double-transmon coupler (DTC), which had been proposed theoretically as a device that could significantly enhance the fidelity ...

Rigetti Computing (NASDAQ: RGTI) is a popular quantum computing stock pick. It's a relatively small company, sporting a ...

BERKELEY, Calif., July 16, 2025 (GLOBE NEWSWIRE) -- Rigetti Computing, Inc. (RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack quantum-classical computing, today announced that it has ...

As the initial hype surrounding quantum computing slowly fades, some of the industry's most popular stocks are vulnerable to downside.

This quantum computing stock is up triple-digit percentage points in 2025, but it could keep climbing in 2026. Strong sales momentum is pushing the stock higher, as it attracts dozens of new customers ...