美股收高，热门中概股普涨，金银再创新高

Market Overview - The market sentiment improved significantly after President Trump temporarily withdrew tariff threats against European countries, leading to a rebound in U.S. stock indices [2][4] - As of Thursday's close, the Dow Jones Industrial Average rose by 306.78 points (0.63%) to 49,384.01, the S&P 500 increased by 37.73 points (0.55%) to 6,913.35, and the Nasdaq Composite gained 211.20 points (0.91%) to 23,436.02 [2] Sector Performance - Small-cap stocks showed particularly strong performance, with the Russell 2000 index rising by 0.76% to a record closing high, indicating a recovery in market risk appetite [3] - Major tech stocks performed robustly, with Meta up 5.66%, Tesla up 4.15%, and Nvidia up 0.83%. Other notable movements included Apple up 0.28%, Microsoft up 1.58%, and Amazon up 1.31% [3] - The semiconductor sector continued its rebound, with Micron Technology up 2.18% and AMD up 1.57% [3] Earnings Reports - Intel's stock plummeted over 12% in after-hours trading following its earnings report, which indicated a first-quarter revenue forecast of $11.7 billion to $12.7 billion, below market expectations [3] - Despite the weak guidance, Intel's fourth-quarter performance exceeded expectations, with revenue of $13.67 billion and earnings per share of $0.15, both surpassing market forecasts [3] Economic Data - U.S. macroeconomic data remained robust, with the November Personal Consumption Expenditures (PCE) price index rising 2.8% year-over-year, aligning with market expectations [6] - The third-quarter GDP growth rate was revised up to 4.4%, marking the fastest growth since the third quarter of 2023 [7] - Initial jobless claims rose slightly to 200,000, which was below expectations, indicating stability in the job market [7] Commodity Market - The commodity market showed mixed results, with international oil prices declining; Brent crude fell by $1.18 to $64.06, and WTI crude dropped by $1.26 to $59.36 [8] - Precious metals continued to perform strongly, with spot gold rising by $2.22 to a historical high of $4,939.41 per ounce, and COMEX gold futures also reaching a new high [8]