Nvidia expects to take $5.5bn hit as US tightens AI chip export rules to China
1. Nvidia expects $5.5bn hit from US export controls on AI chips in China. 2. Shares fell 6% after-hours trading, wiping billions in market value. 3. Chipmaker sell-off initiated, affecting Nvidia and competitors like AMD. 4. Nvidia plans to invest $500bn in US AI infrastructure over four years. 5. Ongoing trade tensions may lead to future tariffs on semiconductors.