The shares of IonQ Inc. and other companies linked to quantum computing tumbled in extended trading on Tuesday after Nvidia Corp. Chief Executive Officer Jensen Huang said “very useful” quantum computers are likely decades away.

While artificial intelligence (AI) dominated the tech narrative in 2024, quantum computing has steadily gained investor attention, with tech giants like Microsoft (MSFT) and Alphabet (GOOGL) strategically investing in quantum hardware,

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.

Rigetti Computing’s shares have surged by over 1,860% in the past six months, thanks to a marketwide uptick in all things quantum. Even so, the company’s quarterly revenue remains modest at $2.4 million in the most recent quarter,

Rigetti offers full-stack quantum-classical computing. RGTI's advancements promise significant growth and reduced error rates. Find out why the stock is a hold.