Shares of quantum computing company Rigetti Computing (NASDAQ: RGTI) were up a mind-blowing 400.3% during December, according to data provided by S&P Global Market Intelligence. The company updated its roadmap in November,

CEO Jensen Huang lit the entire quantum computing sector on fire last night after saying the technology won't be "very useful" for at least 15 years and maybe as many as 30 years. He may as well have poured gasoline on the industry and thrown in a lit match.

Quantum computing stocks are tumbling after Nvidia CEO Jensen Huang warned that the technology is a long way off.