Quantum computing is an emerging paradigm that leverages the principles of quantum mechanics to solve computational problems beyond the reach of classical computers. This article provides an overview ...

Governments and tech companies continue to pour money into quantum technology in the hopes of building a supercomputer that can work at speeds we can't yet fathom to solve big problems. Imagine a ...

Alphabet has the resources to spend its way to the top of the quantum computing industry. While the tech giant doesn't have the upside potential of the smaller quantum computing players, it is far ...

Alphabet has made several major breakthroughs in quantum computing. The company can invest heavily in that nascent technology if it chooses. While the tech giant doesn't have the upside potential of ...

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 ...

Quantum computing promises a new generation of computers capable of solving problems hundreds of millions of times more quickly than today’s fastest supercomputers. This is done by harnessing spooky ...

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 ...

D-Wave Quantum has emerged as one of the early leaders in the quantum computing tech space. Despite its early promise, D-Wave stock comes with a very high level of risk. For investors with high risk ...

D-Wave Quantum has emerged as one of the early leaders in the quantum computing tech space. Despite its early promise, D-Wave stock comes with a very high level of risk. For investors with high risk ...

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 ...