Rigetti Computing boasts an interesting picks-and-shovels strategy. But commercially viable quantum devices remain years away. For now, companies like Rigetti rely more on hype than fundamentals. It's ...

Santa keeps delivering for quantum computing investors this year. On Monday, shares of well-known quantum computing firms shot up by double digits, with D-Wave Quantum stock up almost 15% and Quantum ...

Download PDF Join the Discussion View in the ACM Digital Library The scientific realization that nature does not behave classically but quantum mechanically gave rise to a new field of research in the ...

Kara Greenberg is a senior news editor for Investopedia, where she does work writing, editing, and assigning daily markets and investing news. Prior to joining Investopedia, Kara was a researcher and ...

Though they’ve recently had a bumpy ride, quantum computing stocks stacked cash overall in 2025, with industry exchange-traded fund Defiance Quantum ETF (ticker: QTUM) up 42% year to date as of Dec. 9 ...

Alphabet's Willow quantum computing chip is delivering incredible results. IonQ has the world's most accurate quantum computing technology. Nvidia is bridging the gap between traditional and quantum ...

Quantum Computing Inc. remains a highly speculative, pure-play quantum stock with minimal revenue and an excessive valuation. QUBT's photonic-based, room-temperature quantum approach is differentiated ...

Microsoft could have a game-changing quantum computing technology with its topological superconductors. Wall Street is especially bullish about the tech stock. The best reason to buy Microsoft, though ...

Forbes contributors publish independent expert analyses and insights. Tim Bajarin covers the tech industry’s impact on PC and CE markets. Two years ago, I spent about six months in deep discussions ...

Buterin warns that quantum computers could threaten Ethereum’s cryptography sooner than expected and outlines how the network can prepare safely. Buterin sees a nontrivial 20% chance that quantum ...

Quantum Computing Inc. uses photons to power its computers, which possess many advantages. The company's sales are growing as third-quarter revenue more than tripled over the previous year. However, ...