美股三大指数收盘涨跌不一，纳指续创收盘新高，甲骨文跌超5%

Core Insights - The U.S. stock market showed mixed results with the Dow Jones index declining by 0.59%, the S&P 500 index down by 0.05%, while the Nasdaq Composite index increased by 0.44%, reaching a new closing high [2] - For the week, the S&P 500 saw a cumulative increase of 1.59%, the Dow Jones rose by 0.95%, and the Nasdaq gained approximately 2% [2] Company Performance - Vaccine stocks experienced a downturn, with Pfizer dropping over 3%, and both BioNTech and Moderna falling more than 7% [2] - Major technology stocks mostly rose, with Tesla increasing by over 7%, while Microsoft and Apple both saw gains of over 1%. Conversely, Oracle's stock fell by more than 5% [2]