A look at claims from Google and others about quantum computing breakthroughs over the past few months that helped boost quantum computing stocks in 2025 (Richard Waters/Financial Times)

Richard Waters / Financial Times:
A look at claims from Google and others about quantum computing breakthroughs over the past few months that helped boost quantum computing stocks in 2025  —  Amid some scepticism, many say the machines can now achieve results beyond the capability of traditional computers