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.

Quantum Computing Inc. (NASDAQ:QUBT) shares are trading lower in the premarket session on Wednesday. The company announced a private placement offering of 8.16 million shares of common stock at $12.25 per share.

Also, in late November 2024, The Senate advanced the Department of Energy (DOE) Quantum Leadership Act of 2024, proposing $2.5 billion over 5 years to fuel US quantum R&D. Notably, the bipartisan bill emphasizes quantum networking, domestic manufacturing, and public-private partnerships to ramp up quantum innovation.

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,

Defiance Quantum ETF returned 60.4% over the last year through Jan. 3 -- just over double the S&P 500 Index's 28.1% return.

Steve Sosnick, Chief Strategist at Interactive Brokers (IBKR), spoke with Quartz for the latest installment of our “Smart Investing” video series.

CEO Jensen Huang said that “very useful quantum computers” are likely 20 years away. The commentary from the tech executive caused an immediate negative reaction in quantum computing stocks, sending popular names like IonQ (IONQ) and Rigetti Computing (RGTI) down between 40% and 50% on Jan.