Evidence presented in the High Court has revealed a previously undisclosed problem with the Horizon computer system at the centre of a decade long dispute between the Post Office and a group of ...

Thousands of errors in the Post Office Horizon IT system and supporting services are expected be revealed during a High Court trial, in which subpostmaster claimants are blaming computer problems for ...

Andrew Kessel was a breaking news writer for Investopedia until October 2025. He previously covered markets for Proactive Investors, with a focus on small-cap stocks in fintech, healthcare, mining, ...

D-Wave Quantum shares popped 30% after announcing the debut of its latest quantum computing system. The quantum computer, known as Advantage2, is its sixth iteration and most advance system, D-Wave ...