Nvidia, Intel among chip stocks hit by AI slowdown fears

US chip stocks fell sharply on September 14, with Nvidia down 4.3%, AMD 6.5%, Intel 8%, and Marvell 9.5%. Anthropic CEO Dario Amodei urged a slowdown in advanced AI development to which OpenAI's Sam Altman and Elon Musk agreed. The Nasdaq dropped 1.7%, worsened by markets anticipating a Federal Reserve rate hike.