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. The long wait outlined by Huang for "very useful quantum computers" throws cold water on a sector that was already expected to spend millions more on the technology,

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.

AI should serve as a key tailwind for all the Magnificent Seven stocks. Some of them could be winners in quantum computing as well, notably including Amazon, Microsoft, and Nvidia. Amazon, Nvidia, and Tesla are focusing on the robotaxi market in different ways.