Shares of quantum computing company IonQ ( IONQ 5.48%) raced higher this week. The stock was up by 28.5% as of Friday morning, according to data provided by S&P Global Market Intelligence.

In a highly speculative quantum computing market, it is judicious for investors to take a wait-and-watch approach before investing in Rigetti and IonQ stocks.

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.

This is what's happening on Wednesday, as quantum computing investors cheer some kind words from Microsoft's strategic missions and technologies chief, Mitra Azizirad, who last night urged quantum investors to get ready, because "we are right on the cusp of seeing quantum computers solve meaningful problems and capture new business value."

Shares of Rigetti Computing are down 18% Monday morning. Nvidia CEO Jensen Huang's recent comments raised doubts about the near-term viability of quantum computing.

Shares of Rigetti computing have lost more than 70% of their value since hitting their $20 closing high less than two weeks ago. The volatile plunge in share price came on the heels of Jensen Huang - NVIDIA’s CEO – on the reasonable timeline for quantum computing.

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

CEO Subodh Kulkarni had a message for investors. “It’s still not the time to talk about sales and sales growth because we are still very much in the technology development mode,” he told Yahoo. “We have to get the technology perfected before we can start seeing real material

The explosive move in Rigetti Computing's (RGTI) stock has its CEO cautioning investors that it will take time for the company to post sustainable sales growth and profits. "Particularly because of the hype that is going on in the quantum computing space and some erroneous statements are being made,