Quantum computing stocks like IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing were each down by more than a whopping 40% after Nvidia chief Jensen Huang’s comments that he did not expect quantum computers to be a reality any time soon.

Quantum computing stocks are tumbling this morning after Nvidia (NVDA) CEO Jensen Huang contended yesterday that the technology would not be “very useful” for decades. Among the widely held names in the sector diving more than 30% are Rigetti Computing (RGTI),

CEO Jensen Huang speaks, best believe investors listen. And traders that have been speculating in the red-hot quantum computing stock space are listening to what Huang just said at CES - and they aren’t liking it one bit.

Quantum computing companies have surged recently but Nvidia CEO Jensen Huang had a disappointing message for the sector.