CNBC examines how the Jensen Huang affair — reports that Chinese intelligence recruited businesswoman Alice Huang to gather information on the Nvidia CEO, who resigned and agreed to testify before Congress by Nov. 26 — may sour U.S.-China relations. Analysts predict more export restrictions, a possible congressional tightening of export controls before 2026's end, and renewed tech decoupling, even as Trump and Xi are expected to keep their uneasy truce at a Nov. 18-19 meeting in Shenzhen. China's Foreign Ministry calls the spy allegation unfounded smears.