Shares in the so-called Quantum Four publicly traded companies are seeing a boost on rumors that the Commerce Department is ...

Although these elements signal strong momentum, there have been inconsistent indications about official government interest.

Key PointsThe U.S. government is reportedly in talks to take equity stakes in quantum computing companies, including IonQ, ...

The breakthrough, confirmed in Nature, pushes quantum computing from theory to real-world validation. Alphabet stock rose 1.8 ...

While the U.S. Department of Commerce has denied any active negotiations, the WSJ reported that a Rigetti representative ...

Quantum computing stocks have been rising at feverish levels this year. One of the hottest has been Rigetti Computing ( RGTI ...

Shares of Rigetti Computing (RGTI 0.52%) fell 13.6% this week, as of 2:06 p.m. on Friday. The drop comes as the S&P 500 and ...

Trump has already taken stakes in chipmaking and rare-mineral companies. Is quantum computing next?

The Wall Street Journal reported several quantum computing firms are in talks to grant equity shares to the government in ...

Quantum-computing stocks surged after The Wall Street Journal reported that several companies are in talks to give the ...

Stock Market News, Oct. 22, 2025: Dow drops over 300 points to end three-day winning streak, Nasdaq and S&P 500 slip on ...

Wall Street's most influential businesses bring early-stage promise and potential long-term peril to pure-play quantum ...