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

Though investors saw this as disappointing, there is some reassuring news. Quantum computing is progressing, meaning these companies will likely report accomplishments and milestones in the months and years to come -- and these represent catalysts for quantum computer stocks to climb.

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 stocks like Rigetti, IonQ and D-Wave Quantum saw steep losses after Nvidia CEO Jensen Huang said quantum computers are decades away.

Therefore, Huang's prediction that quantum computers won't go mainstream for 15 to 30 years sounds reasonable. It took Nvidia about two decades for its gaming and professional vis

The same stocks rallied earlier this week after Microsoft unveiled an initiative meant to familiarize business leaders with quantum systems.