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

Quantum computing has been an up-and-down investment theme over the past few months. The rage kicked off when Alphabet ( GOOG 1.16%) ( GOOGL 1.13%) announced a breakthrough with its Willow quantum computing chip, and any stock associated with quantum computing rose on the news of the announcement.

Several stocks across the quantum computing industry fell sharply Wednesday after Nvidia CEO Jensen Huang said the technology is likely still years away.

Jensen Huang’s comments at last week’s CES about quantum computing being decades away stirred up discussion within the quantum industry.

Quantum computing stocks have seen quite a run-up in recent months, but determining which companies are leading the charge can be tough to navigate.

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.

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

Following tech giants such as Amazon (AMZN) and Nvidia (NVDA), enterprise software major SAP (SAP) has also joined the voices making a case for quantum computing. Sounding bullish about the technology,