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

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

Rigetti Computing (NASDAQ: RGTI) stock is crashing in this week's trading. The quantum computing company's share price is down 47.2% from last Friday's market close as of Wednesday, according to data from S&P Global Market Intelligence.

Rigetti stock is up 1,756% in the last year — but 74% overvalued. Investors who did not buy Nvidia stock before GenAI wave, fear missing out on quantum computing.

CEO Jensen Huang lit the entire quantum computing sector on fire last night after saying the technology won’t be “very useful” for at least 15 years and maybe as many as 30 years. He may as well have poured gasoline on the industry and thrown in a lit match.

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.