美股收盘：纳指连跌3日 周跌幅扩大至近4%

Group 1 - The core viewpoint of the article highlights a significant decline in major U.S. stock indices, with the Dow Jones falling by 1.2%, the S&P 500 also down by 1.2%, and the Nasdaq Composite dropping by 1.59%, marking a cumulative decline of nearly 4% for the Nasdaq this week [1] - Tesla (TSLA.O) experienced a 2% drop in its stock price, while Nvidia (NVDA.O) fell by over 1%, and Oracle (ORCL.N) saw a substantial decline of 7% [1] - In contrast, the Nasdaq China Golden Dragon Index rose by 0.9%, with Dada Nexus (DDL.N) declining by 14% and NIO Inc. (NIO.N) increasing by 6% [1]