“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 question-and-answer session during Nvidia’s analyst day. “If you picked 20, I think a whole bunch of us would believe it.”
IonQ and Quantum Computing Inc. fell more than 16% in the postmarket session while D-Wave Quantum Inc. and Rigetti Computing Inc. dropped more than 14%. The stocks have soared in recent months amid excitement about the potential of the technology, which was heightened last month following a quantum computing breakthrough by Alphabet Inc.
