CEO Mark Zuckerberg fueled the sell-off in quantum computing stocks. Start Your Mornings Smarter! Wake up with Breakfast news in your inbox every market day. Sign Up For Free » *Stock prices used were the afternoon prices of Jan.

All it took to derail a rally that had sent shares of pure-play quantum computing stocks soaring was a single comment from a tech CEO. When Nvidia's Jensen Huang suggested that a useful quantum computer was likely decades away,

As quantum computing matures, IonQ and D-Wave Quantum are set to play key roles in shaping the industry, providing investors with an opportunity to capitalize on one of the hottest investment themes of the decade.

Quantum computing stocks collapsed in the early part of January, thanks in part to comments from the CEO of Nvidia. The companies have promising technology, but it is still many years away from commercialization.

As with any Discovery Stock, investors are looking to the price and the potential of the stock, not the fundamentals. As it stands now, IonQ has the benefit of round numbered support from the $30 price. Shares recently saw support at $40 on their ascent and then resistance at $50, displaying the effect of round-numbered prices.

The drop in stocks came after Nvidia CEO Jensen Huang's Q&A with analysts at CES in Las Vegas. When answering a question about the future of quantum computing, he said the timeline may be between 15 and 30 years until there is "very useful" quantum computers. This is the relevant quote from Huang: