Nvidia Stock Rises. It Shrugs Off Tariff Threat from Chips Probe. - Barron's

1. Nvidia plans $500 billion in U.S. AI infrastructure investments. 2. Chip maker's stock rose slightly amid tariff investigation news. 3. Nvidia's Blackwell GPUs in production in Arizona, expanding U.S. operations. 4. Trump administration supports Nvidia's investment plans and probes semiconductor imports. 5. Tariffs could accelerate U.S. semiconductor manufacturing amid national security concerns.