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

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

Rigetti Computing, IonQ, and other quantum stocks plunged after Nvidia CEO Jensen Huang told Wall Street analysts that “very useful quantum computers” are likely 20 years away.

Rigetti Computing (RGTI) is an integrated full-stack quantum computing company that focuses on designing and developing quantum chips. It was the first company to develop a multi-chip quantum processor.