美股三大指数收盘涨跌不一，英伟达总市值站上5万亿美元大关

Core Viewpoint - The Federal Reserve has lowered interest rates by 25 basis points for the second consecutive time and announced the cessation of quantitative tightening (QT) starting in December, leading to mixed performance in U.S. stock indices [1] Group 1: U.S. Stock Market Performance - The three major U.S. stock indices closed with mixed results: Nasdaq increased by 0.55%, S&P 500 remained flat, and Dow Jones decreased by 0.16% [1] - Nvidia's stock rose approximately 3%, pushing its total market capitalization above $5 trillion [1] - Apple saw a slight increase, marking its first closing market capitalization exceeding $4 trillion [1] - Google experienced a rise of over 2%, continuing to reach new highs [1] - Other notable movements included Amazon, Meta, and Tesla with slight increases, while Intel, Microsoft, and Netflix saw minor declines [1] - Caterpillar's stock surged by 12%, marking its largest single-day increase since 2009 [1] Group 2: Chinese Stocks Performance - The Nasdaq Golden Dragon China Index fell by 0.03% [1] - Among popular Chinese stocks, Canadian Solar (阿特斯太阳能) rose by 15.90%, Alibaba increased by 1.84%, and Bilibili (B站) and Boss Zhipin (Boss直聘) saw increases of up to 1.39% [1] - NIO, Baidu, Yum China, Trip.com, Huazhu, and Zeekr experienced increases of up to 0.71% [1] - On the downside, Atour (亚朵) fell by 1.08%, New Oriental (新东方) dropped by 1.30%, Li Auto (理想) decreased by 1.64%, Vipshop (唯品会) fell by 1.93%, and WeRide (文远知行) declined by 5.29% [1]