Stock market news today: S&P 500, Nasdaq slide as China curb risk rattles techs Yahoo FinanceGlobal chip stocks from Nvidia to ASML fall on geopolitics, Trump comments CNBCWhy Intel’s stock is bucking the semiconductor sector’s worst selloff since 2022 MarketWatchWhy Is Nvidia Stock Going Down Today? It’s a Big Victim in the Tech Exodus. Barron’sThe S&P 500 and Nasdaq tank as investors dump AI and tech stocks Quartz