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

Wave and Quantum Computing were rising Thursday as quantum stocks continued to make their recovery.D-Wave and Quantum Computing shares were up 6.3% and 5.9%, respectively, while Rigetti Computing rose 0.

Microsoft dubs now the advent of a reliable quantum computing era. Quantum computing stocks are ripping higher on Wednesday morning.

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.