IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. Have Issued a $926 Million Warning to Wall Street for 2026

The people who know Wall Street's hottest quantum computing stocks best are giving investors a clear reason to be skeptical.For three years, artificial intelligence (AI) has been captivating the attention and wallets of professional and retail investors. But in 2025, this game-changing technology was outdone by an even more hyped innovation: quantum computing.Over the trailing year, quantum computing pure-play stocks IonQ (IONQ +0.06%), Rigetti Computing (RGTI 0.14%), D-Wave Quantum (QBTS 0.49%), and Quantu ...