Rigetti Computing and D-Wave Quantum, the second- and fourth-biggest gainers in the Russell 3000 Index on Tuesday, were up 22% and 24%, respectively. Peers Quantum Computing and I

Quantum stocks rallied Wednesday, a day after Microsoft called 2025 "the year to become quantum-ready," mitigating a string of recent losses spurred by high-profile bearish comments on the sector.

This is what's happening on Wednesday, as quantum computing investors cheer some kind words from Microsoft's strategic missions and technologies chief, Mitra Azizirad, who last night urged quantum investors to get ready, because "we are right on the cusp of seeing quantum computers solve meaningful problems and capture new business value."