D-Wave is a promising pure play, but Alphabet's resources could position it to be a bigger quantum-computing winner.

Pure-play quantum computing stocks have performed strongly throughout 2025. One outlier is Quantum Computing Inc., whose ...

Certain artificial intelligence (AI) stocks -- chief among them Palantir Technologies -- currently trade at absurd valuations ...

Nu Quantum raises $60M Series A to advance quantum networking, scaling distributed quantum computers through photonic ...

Quantum computing is hot, hot, hot, with the Defiance Quantum ETF (NASDAQ: QTUM) up 40% year to date and trading near its all ...

RGTI has been merely lifted along the rising tide instead of fundamentals, attributed to the uncertain technological roadmap, ...

Rigetti announced some big sales in October -- that won't happen until 2026. Rigetti's 2025 sales could fall significantly ...

A new chip-scale device offers unprecedented control over laser frequencies, a key ingredient for large-scale quantum computing. Researchers have achieved an important step forward in quantum ...

IonQ (IONQ) stock's quantum computing breakthroughs and future monetization plans. Learn why experts call it the NVIDIA of ...

The findings not only advances scientists' understanding of what quantumness really means over time, but also points to new ...

Quantum computing represents a major threat to encryption, and the inflection point may be less than five years away.

Few stocks have had as good a second half of 2025 as Alphabet ( GOOG 1.01%) ( GOOGL 1.00%). Alphabet has received almost all ...