Quantum computing stocks were red-hot recently, but Jensen Huang just offered optimistic investors a reality check.

Rigetti Computing shows promise but is risky due to high short interest. Find out why RGTI stock may be suitable for short-term gains but needs careful timing.

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.

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.