Earlier this year, Huang sent quantum stocks sliding after he said he believes useful quantum computers were 15 years or more away. He later qualified his remarks and walked them back somewhat, even hosting executives from around the industry to "tell him why he was wrong."

Quantum computing technology is at an inflection point, Nvidia CEO Jensen Huang reiterated on Wednesday at the VivaTech conference in Paris. Quantum calculations could crack problems that currently would demand years of processing from Nvidia's most advanced AI systems.

Quantum computing shares are jumping in premarket trading Wednesday after Nvidia CEO Jensen Huang said that the industry was “reaching an inflection point."