Why one investor puts high-multiple, cash-burning quantum stocks on the "too hard" pile.

Three different approaches to quantum computing. Most quantum computing companies accelerate electrons through ...

LONDON, Feb. 24, 2026 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (NASDAQ: ARQQ, ARQQW) (“Arqit”), a global leader in quantum-safe encryption, today announced the availability of its encryption software ...

It's hardly the billions that AI companies deal in, but it's something. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Quantum computers can process certain tasks much faster than classical computers, but they're larger, more expensive, and ...

Detailed price information for Rigetti Computing Inc (RGTI-Q) from The Globe and Mail including charting and trades.

LONDON, April 29, 2025 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (Nasdaq: ARQQ, ARQQW) (Arqit), a leader in quantum-safe encryption, in collaboration with Equus Compute Solutions (ECS) and Intel (Nasdaq: ...

The vast problem-solving potential of quantum computing, along with its deep ties to artificial intelligence, health care, materials science and cybersecurity, underlines how important the industry ...

Quantum Computing Inc. (NasdaqCM:QUBT) completed the acquisitions of Lumina Semiconductor and NuCrypt, expanding into quantum communications and photonics design. The company opened its Fab 1 thin ...

(Reuters) -Shares of U.S. quantum computing companies jumped on Thursday after the Wall Street Journal reported that President Donald Trump's administration is in discussions to acquire equity stakes ...