Nvidia faces a $5.5 billion charge due to U.S. export controls targeting its H20 AI chip for China.China's response to the restrictions is accelerating the shift towards domestic alternatives like Huawei's Ascend.Apple plans to analyze user data across devices to improve its AI platform, while prioritizing privacy and data security.This shift allows Apple to catch up with competitors in the generative AI race and enhance features in iOS 18 and Siri 2.0.