道指涨近500点，纳指迎今年第20个历史新高

Core Viewpoint - The article discusses the recent performance of the U.S. stock market, focusing on the anticipation of a potential interest rate cut by the Federal Reserve in September, which has led to a rise in stock prices and investor confidence [3][4]. Market Performance - On Wednesday, U.S. stocks closed higher across the board, with the Dow Jones Industrial Average rising by 463.66 points (1.04%) to 44,922.27 points, the Nasdaq increasing by 0.14% to 21,713.14 points, and the S&P 500 gaining 0.32% to 6,466.58 points [3]. - The S&P 500 and Nasdaq reached their 17th and 20th record closing highs of the year, respectively, while the Dow is close to a new high [3]. - The Russell 2000 index, which tracks small-cap stocks sensitive to interest rates, rose nearly 2%, marking a six-month high [3]. Technology Stocks - Major tech stocks showed mixed results, with Apple rising by 1.6% due to plans for expansion into AI robots, home security, and smart displays. Amazon increased by 1.4%, while Tesla, Google, Nvidia, Meta, and Microsoft experienced slight declines [3]. Interest Rate Outlook - U.S. Treasury Secretary Yellen called for a reduction in interest rates, suggesting they might need to be lowered by 150 to 175 basis points, with a significant possibility of a 50 basis point cut in September [4]. - According to the Chicago Mercantile Exchange's FedWatch Tool, traders have fully priced in a 95.8% probability of a 25 basis point cut in September, with a 4.2% chance for a 50 basis point cut [4]. Bond Market and Economic Data - U.S. Treasury yields fell, with the 10-year yield decreasing by 5.7 basis points to 4.24% and the 2-year yield down by 5 basis points to 3.68% [4]. - The Mortgage Bankers Association reported a decline in the 30-year fixed mortgage rate by 10 basis points to 6.67%, marking the largest drop since February [5]. Commodity Prices - U.S. crude oil inventories exceeded expectations, leading to a drop in oil prices, with WTI crude falling by 0.82% to $62.65 per barrel and Brent crude down by 0.74% to $65.63 per barrel [5]. - International gold prices saw a slight increase, with COMEX gold futures for August delivery rising by 0.29% to $3,358.70 per ounce [5].