Sources detail growing concerns inside SoftBank over Masayoshi Son's $60B+ bet on OpenAI, which some fear concentrates too much capital into a single company Bloomberg 2026-05-20 Masayoshi Son, SoftBank Related Coverage SoftBank Insiders Worry About Masayoshi Son's Bet on OpenAI Bloomberg SoftBank Insiders Are Reportedly Worried Their CEO Keeps Falling for Wallet Inspectors Gizmodo · Mike Pearl