美股小幅走高，中概股爆发，贵金属大涨

Core Viewpoint - The U.S. stock market experienced a slight increase, driven by gains in technology stocks and Walmart, while concerns regarding the criminal investigation of Federal Reserve Chairman Jerome Powell by the U.S. Department of Justice were largely absorbed by investors [3][5]. Market Performance - The Dow Jones Industrial Average rose by 86.13 points, or 0.17%, closing at 49,590.20 points, while the Nasdaq increased by 0.26% to 23,733.90 points, and the S&P 500 gained 0.16% to close at 6,977.27 points, with both the Dow and S&P reaching new closing highs [3]. - Notable technology stocks showed mixed performance, with Oracle up 3.1%, Google up 1.1%, and Apple announcing the integration of its AI system Gemini into devices this year, while Microsoft and Amazon fell by 0.4%, and Intel dropped by 3.1% [3]. Sector Analysis - The financial sector declined over 1%, leading the S&P 500 sectors lower, influenced by President Trump's announcement of a one-year cap on credit card interest rates at 10%, which pressured the stock prices of loan institutions and credit card companies [3]. - Major banks such as Bank of America, JPMorgan Chase, and Citigroup saw declines of 1.2%, 1.4%, and nearly 3%, respectively, with American Express down 4.2% [3]. Economic Indicators - The upcoming earnings season for major banks, including Goldman Sachs, JPMorgan Chase, Bank of America, and Morgan Stanley, is anticipated to begin this week, with investors closely monitoring inflation-related data [5]. - Key inflation reports, including the December Consumer Price Index (CPI) and November retail sales data, are set to be released, which could impact market sentiment [5]. Commodity Market - International oil prices saw a slight increase, with WTI crude oil rising by 0.64% to $59.50 per barrel and Brent crude oil up 0.84% to $63.87 per barrel [6]. - Safe-haven assets like gold and silver experienced price increases, with COMEX gold futures rising by 2.54% to $4,604.30 per ounce and silver futures up 7.26% to $84.61 per ounce [6].