Business News from Friday, October 23rd, 2026

Sales of Apple's first folding phone, the iPhone Duo, began on Friday, with market watchers betting on whether the device can reinvent the small foldables market in the same way the iPhone did for smartphones.

Microsoft researchers say an AI tool that diagnoses patients step by step, as doctors do, was more than twice as accurate as general physicians at solving complex medical cases, according to a study published on Thursday in Science.