D-Wave rises after AT&T expands quantum computing partnership

** D-Wave Quantum QBTS.O jumps 11.4% premarket after AT&T T.N signed an agreement to expand use of the company's quantum computing technology across its network operations

** AT&T plans to deploy D-Wave's quantum tools across network operations, including outage response, routing and traffic management

** In an early trial, AT&T cut network optimization processing time from about an hour to less than 15 seconds

** The technology will be layered into AI tools that helped reduce customer downtime by 12 million hours in 2025, according to AT&T

** YTD, QBTS and AT&T are down 38% and 2.9%, respectively