Nvidia shares had run up in advance of the event, but CEO Jensen Huang didn’t mention Rubin, the company’s next chip family.

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.

"We still see CES as a positive catalyst, re-asserting NVDA's platform dominance/opportunity in high-growth markets," Bank of America said.