D-Wave Shares Jump 20% After AT&T Expands Quantum Computing Agreement
D-Wave Quantum shares surged after AT&T signed an agreement to expand its use of the company’s quantum computing technology across network operations. QBTS closed at $19.51 on Monday, July 27, 2026, gaining 20.36% from the previous session, as investors responded to evidence that the telecommunications group plans to apply quantum optimization to practical infrastructure challenges.