Apple is preparing a major Siri overhaul that will use Nvidia (NasdaqGS:NVDA) Blackwell B200 chips, with workloads expected to run on Google Cloud. This setup positions Nvidia hardware at the core of Apple's consumer AI services, alongside infrastructure from a direct cloud competitor. At the same time, Nvidia faces closer U.S. scrutiny of AI chip exports, and CEO Jensen Huang has been invited to testify before Congress on compliance with China-related export rules. Nvidia, through its data...