D-Wave Quantum CEO Alan Baratz said Nvidia’s Jensen Huang is “dead wrong” about quantum computing after comments from the head of the chip giant spooked Wall Street on Wednesday.

Quantum computing stocks are tumbling after Nvidia CEO Jensen Huang warned that the technology is a long way off.

Quantum stocks like Rigetti, IonQ and D-Wave Quantum saw steep losses after Nvidia CEO Jensen Huang said quantum computers are decades away.

Key Takeaways A number of stocks in the quantum computing industry sank Wednesday after Nvidia CEO Jensen Huang said the technology is likely still years away.Stocks of Rigetti Computing, Quantum Computing,

Quantum computing stocks sank on Wednesday, pausing a year-long rally, after Nvidia CEO Jensen Huang said the technology's practical use was likely two decades away.

An analyst with a buy rating on IonQ stock criticized Nvidia CEO Jensen Huang's quantum computing comments as "self serving."

Addressing a question from an audience member, Huang said 15 years would probably be on the "early side" and that 30 years would likely be on

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The shares of IonQ Inc. and other companies linked to quantum computing tumbled in extended trading on Tuesday after Nvidia Corp. Chief Executive Officer Jensen Huang said “very useful” quantum computers are likely decades away.

Rigetti Computing, IonQ, and other quantum stocks fell more than 40% after Nvidia CEO Jensen Huang told Wall Street analysts that “very useful quantum computers” are likely 20 years away.