2026年8月18日星期二，美国主要股票指数的表现

2026 年 8 月 18 日，周二，美国股指下跌，人工智能股票持续下滑。标普 500 指数下跌 0.7%，这是在周四创下历史新高后连续第三次小幅下跌。道琼斯工业平均指数下跌 0.2%，而纳斯达克综合指数则下跌 1.3%。英伟达、美光科技和博通等主要科技公司是此次下跌的重要贡献者

Wall Street pulled further from its all-time high Tuesday as AI stocks got back to sinking. The S&P 500 fell 0.7% for a third straight modest loss since setting its all-time high on Thursday. The Dow Jones Industrial Average dipped 0.2%, and the Nasdaq composite sank 1.3%. Nvidia, Micron Technology and Broadcom were some of the heaviest weights on ...