Quantum computing stocks are ending 2025 just like they started: on a roller coaster as investors mull profit taking versus 2026 outlooks.

Dozens of companies, from small pure plays to tech megacaps, are attempting to make this promising new technology commercially viable.

Alphabet has multiple ways to profit from AI and has achieved two key quantum computing milestones. Microsoft has integrated AI throughout its software and might have developed the "transistor for the ...

“QUANPHOTON stands out for its transparency, technological edge, and commitment to user profitability,” said [Name], Chief Technology Officer at QUANPHOTON. “Our quantum-inspired algorithms ensure ...

Quantum Computing Inc. (QUBT +1.32%) stock is puzzling investors today. Remember how, a couple of weeks ago, the quantum computing company announced it would sell 26.87 million shares and raise $500 ...

Shares of quantum computing company D-Wave Quantum Inc. (QBTS 3.42%) soared 13.5% through 10:40 a.m. ET Monday. And why? This morning the company announced it will participate in CES 2026 on Jan. 7, ...

Physicist Jay Gambetta, at IBM’s lab in Yorktown Heights, New York, explains how microwaves orchestrate a solution on a quantum chip: “Think of each qubit as a line in music. You’re creating notes.” ...

A gold superconducting quantum computer hangs against a black background. Quantum computers, like the one shown here, could someday allow chemists to solve problems that classical computers can’t.