Quantum Computing Inc. (QUBT) stock tumbled 14% on Monday after the company announced an oversubscribed private placement of ...

The quantum computing specialist trades at an astronomical valuation after surging 213% this year. But $819 million in cash and new hardware could justify the supersized premium.

Discover why pure-play quantum computing stocks may be overvalued and risky. Get smart investment tips and safer alternatives. Click for my review of the sector.

Quantum computing stocks have surged over the past year, catching Wall Street's attention. This emerging tech has been a beneficiary of the burst of enthusiasm for AI. A quantum CEO tells BI what he ...

NVIDIA, the AI boom's $4 trillion chipmaker, is now betting on quantum computing—despite doubts about how soon the technology ...

In an era where quantum computing promises revolutionary advancements, Rigetti Computing has emerged as a player in this exciting domain. Recently, the company's stock saw a dramatic rise of 20% in ...

IonQ and IBM are among those building quantum computers -- a new frontier. Since it went public in 2021, IonQ has ...

Nvidia is known as the artificial intelligence (AI) semiconductor chip leader. But as it looks toward the future, the company is working to evolve its tech for the quantum era. For example, it's ...

IonQ is racing to build a commercializable quantum computer, but it is burning a lot of money. The company just raised $1 billion through a stock offering. The share price is likely to struggle going ...

An array of 6100 ultracold caesium atoms controlled by lasers is the largest collection of qubits ever assembled, and ...