NVIDIA's blockbuster earnings and AI chip dominance

Nvidia reported earnings yesterday after markets closed, and it did not disappoint. Nvidia makes 90% of all chips used in AI. Tech stocks, including Nvidia, have been carrying a lot of weight in markets, and investors had started getting a little nervous about whether the AI boom was a bubble — but Nvidia's results have been pretty reassuring. Also: stale data from the Bureau of Labor Statistics and Japan's tensions with China.