Quantum computing stocks stir again as IonQ jumps; what investors watch into Tuesday
IonQ surged 6.8% to $50.80 as quantum computing stocks outperformed a flat Wall Street ahead of the holiday weekend. D-Wave rose 0.5% and announced a $550 million deal to acquire Quantum Circuits. Rigetti said its 108-qubit system will be ready by late Q1 2026. The S&P 500 and Nasdaq both slipped 0.06%.