Microsoft has unveiled Majorana 2, a new topological quantum processor that uses lead-based materials, delivers longer qubit ...

With quantum leaders pursuing distinct strategies across computing, networking, sensing & optimization, investors can get ...

Rigetti Computing stock exploded in May on federal funding news and a strong earnings beat.

Microsoft said AI helped speed Majorana 2 development, adding to growing concerns about when quantum computers could threaten ...

IBM (NYSE: IBM) has announced plans to invest more than $10 billion in quantum computing over the next five years. The ...

IBM says it plans a major expansion of its operation in Albany after the federal government awarded the company and GlobalFoundries a combined $1.375 billion in grants for quantum computing.

Could These 3 New-to-Market Quantum Computing Firms Threaten D-Wave? Horizon Quantum Computing Pte. (NASDAQ:HQ) is positioning itself as a software-focused company in the quantum computing sector, ...

CHICAGO--(BUSINESS WIRE)--Infleqtion, a global leader in quantum computing and quantum sensing, today announced it has executed its contract with the U.S. Department of Energy’s Advanced Research ...

Today, May 28, 2026, investors weigh recent U.S. quantum funding and long-term sector hopes for this fast-rising name.

Andrew Kessel was a breaking news writer for Investopedia until October 2025. He previously covered markets for Proactive Investors, with a focus on small-cap stocks in fintech, healthcare, mining, ...

Quantinuum on Monday boosted the size of its IPO to as much as $1.46 billion. At the top of the new range, the company would ...

Quantum computing is an emerging class of advanced computing that complements classical supercomputers and AI accelerators, enabling new capabilities for certain scientific, industrial and national ...