据 CNBC 报道，AI 基础设施相关进展：Apple's foldable phone, Macy's earnings, Treasury buybacks and more in Morning Squawk

据 CNBC 报道，AI 基础设施相关进展：Apple's foldable phone, Macy's earnings, Treasury buybacks and more in Morning Squawk；报道中的具体规模、时点和实施状态以原文为准，目前未见相应一手确认。