President Donald Trump announced a significant policy shift on December 8, 2025, allowing U.S. chipmaker Nvidia to export advanced AI chips to China under strict national security conditions.This agreement, made with Chinese President Xi Jinping, marks a departure from previous restrictions that had blocked these exports.Nvidia's stock saw a 1.2% increase in after-hours trading following the announcement, with Trump stating China would provide the U.S. with a 25% share of chip sales.