美股窄幅震荡三连阳，科技股领涨，小盘股创新高，降息预期主导市场情绪

Market Overview - The U.S. stock market showed mixed results on December 4, with the Dow Jones Industrial Average slightly down by 0.07% at 47,850.94 points, while the S&P 500 rose by 0.11% to 6,857.12 points, and the Nasdaq Composite increased by 0.22% to 23,505.14 points [1] - The Russell 2000 index, representing small-cap stocks, outperformed with a gain of 0.76%, breaking its previous high set on October 27, indicating active market dynamics [1] Individual Stock Performance - Technology stocks were in focus, with Meta (formerly Facebook) leading the gains, rising over 3% as it plans to cut its metaverse budget by 30% and shift focus to generative AI and smart hardware [3][4] - Other tech giants like Nvidia and Tesla also performed well, increasing by over 2% and 1% respectively, while Microsoft and Google showed mixed results [3][4] Small-Cap Stocks - Small-cap stocks have been particularly strong, with significant gains in sectors related to AI data centers, energy storage, and quantum computing [5] - Notable performers included CoreWeave, which surged by 8.05%, and Oklo, which rose by 15.59%, reflecting investor enthusiasm for these themes [5] Chinese Stocks - The Nasdaq Golden Dragon China Index rose by 0.39% to 7,731.88 points, with notable performances in the electric vehicle sector [6] - Companies like NIO, EHang, and XPeng saw increases of 4.92%, 4.45%, and 3.34% respectively, highlighting strong interest in the sector [6][7] Macroeconomic Factors - Market expectations for interest rate cuts have increased, with the probability of a 25 basis point cut rising to nearly 90% [8] - The upcoming Personal Consumption Expenditures (PCE) price index report is anticipated to influence future monetary policy decisions [8] Commodity Market - Gold prices saw a mild increase of 0.16%, while silver prices declined by 2.34% [9] - Oil prices also rose, with both WTI and Brent crude increasing by over 1% [9]