China warns companies against using Nvidia and AMD chips, report says
1. China advised against using Nvidia and AMD chips for government use. 2. Both companies agreed to pay 15% of China revenues to the U.S. government. 3. Nvidia's H20 chip faced criticism, labeled 'obsolete' by Trump. 4. China represents a significant market for AMD's AI chip sales. 5. Market volatility affected both AMD and Nvidia shares recently.