Shares of IonQ, Rigetti Computing, and D-Wave Quantum were all still higher despite the statement from the Commerce Department.

The Trump administration is reportedly in talks with several quantum-computing firms about government taking equity stakes in exchange for funding.

"The Commerce Department is not currently negotiating equity stakes with quantum computing companies," the spokesperson said in a statement.

Shares of IonQ, Rigetti Computing, and D-Wave Quantum were all still higher despite the statement from the Commerce Department.