S&P 500 down, Nasdaq slides as AI chip worries persist
By Shashwat Chauhan and Avinash PThe S&P 500 slipped and the Nasdaq dropped sharply on Tuesday, weighed by losses in chip stocks amid doubts over the durability of the AI-led rally despite robust Samsung earnings, while a report on China's DeepSeek making an AI chip also hit sentiment.Nvidia NASDA…