Quantum Computing Stocks Dive After Nvidia CEO Says Tech 15-30 Years Away

Quantum computing stocks IonQ (IONQ), Rigetti Computing (RGTI), D-Wave Quantum (QBTS) and Quantum Computing (QUBT) plunged after Nvidia (NVDA) CEO Jensen Huang said Tuesday night that the technology won't be "very useful" for 15-30 years. "If you kind of said 15 years for very useful quantum computers, that would probably be on the early side. If you said 30, it's probably on the late side," Huang said in a Q&A session during Nvidia's analyst day event. "If you picked 20, I think a whole bunch of us would b ...