Nvidia CEO Jensen Huang's sobering assessment of quantum computing's timeline sent the space into a tailspin last week. During a question-and-answer session with analysts, Huang suggested that useful quantum computers were likely 15 to 30 years away.

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

Rigetti Computing is at the forefront of the quantum computing industry, but the company has a speculative stock valuation.

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,

Quantum computing stocks took a dive Wednesday after investors' perceptions about the outlook for the sector were dramatically corrected. Valuations in the nascent space had been