标普500指数年内第21次创出新高！美股科技股领涨，经济数据强化降息预期，特朗普干预阴影下美联储独立性引担忧-美股-金融界

Market Performance - The three major US stock indices collectively rose, with the S&P 500 index increasing by 0.83% to 6502.08 points, marking a new all-time closing record and the 21st new high of the year [1][2] - The Dow Jones and Nasdaq indices also saw gains of 0.77% and 0.98%, respectively, approaching historical highs [1][2] Sector Performance - Technology stocks led the market, with the Wind US Technology Seven Giants Index rising by 1.17%. Amazon led the gains with an increase of over 4%, while Google (Alphabet) reached a historical high for two consecutive days [3][4] - Semiconductor stocks showed mixed results, with Micron Technology rising over 4%, while Texas Instruments fell over 4% [3] Company Highlights - Broadcom reported its Q3 FY2025 results, with revenue of $15.952 billion and adjusted EPS of $1.69, both exceeding market expectations. The company projected AI chip revenue for Q4 to reach $6.2 billion, surpassing analyst estimates of $5.82 billion [3] - The stock of Broadcom rose by 1.23%, with a total market capitalization reaching $1.44 trillion, further increasing by 3.41% in after-hours trading [3] Chinese Stocks - In contrast to the performance of US tech stocks, Chinese stocks faced pressure, with the Nasdaq Golden Dragon China Index declining by 1.11%. Alibaba fell over 4%, while NIO and XPeng Motors dropped over 3% [3][4][5] Economic Data - The market's bullish trend is supported by expectations of a shift in the Federal Reserve's monetary policy, as the ADP private employment data for August showed only 54,000 new jobs, significantly below the expected 65,000 [6] - The market is pricing in a 90% probability of a rate cut in September, with expectations for two additional cuts by the end of the year [6] Federal Reserve Independence - Recent challenges to the Federal Reserve's independence have emerged, including a criminal investigation into a Fed governor and reports of attempts to dismiss a Fed official, raising concerns about potential market risks [7] Commodity Prices - Commodity prices have retreated, with both gold and oil prices declining, reflecting market caution regarding short-term risks [8] - The international situation, including the signing of a US-Japan trade agreement, may have long-term implications for market access and trade relations [8]