In early January of 2023, Nvidia stock hovered around $15. With the AI revolution, companies have been scrambling to buy Nvidia chips over the past two years to power their servers. After Huang's keynote on Monday, the stock hit record highs above $150 before cooling off a bit, but still representing about a tenfold increase in just two years.

IonQ and other quantum-computing stocks slid after Nvidia Chief Executive Jensen Huang played down the likely utility of the technology in the near- or medium-term. "If you kind of said 15 years for very useful quantum computers,

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.