October 10, 2025 at 4:36 AM UTCUpdated on October 10, 2025 at 8:50 AM UTCSoftBank Group Corp. is in talks to borrow $5 billion from global banks, refilling its coffers at a time Masayoshi Son is accelerating the Japanese investment firm’s bets on artificial intelligence.SoftBank is close to signing a deal with a handful of lenders for a margin loan secured by shares of its chip unit Arm Holdings Plc., people familiar with the matter said. The capital will fund additional investment in OpenAI thi...