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,

Quantum computing stocks sank nearly 40% on December 8, pausing a year-long rally, after Nvidia CEO Jensen Huang said the technology's practical use was likely two decades away.

Shares of quantum-computing companies that skyrocketed in 2024 collapsed by double digits Wednesday after Nvidia CEO Jensen Huang said practical uses for quantum computing were more than a decade away.