The U.S. government is acquiring minority equity stakes in quantum computing companies D-Wave Quantum, Rigetti Computing, and Quantinuum through a combined $300 million CHIPS Act funding deal. This investment aims to scale quantum-computing research. Following the news, shares of D-Wave rose 5.4% to $17.48, Rigetti's stock increased 7.4% to $16.33, and Quantinuum shares climbed 3.9% to $51.56 in premarket trading on Tuesday.