P.M. Edition for Oct. 27. Shares of Qualcomm rose 11% today after the company announced that it plans to launch new artificial-intelligence accelerator chips. We hear from WSJ reporter Robbie Whelan about what the entrance of Qualcomm, which has so far mostly focused on chips for mobile devices, means for the AI race. Plus, the Caribbean braces for the arrival of Hurricane Melissa, which has developed into a Category 5 hurricane. Journal reporter Joseph De Avila discusses the damage the storm is expected to inflict, and where. And Sudanese rebels have captured the last government stronghold in Darfur. Alex Ossola hosts.

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