金价上涨，银价大涨！原因找到了

Group 1: Global Market Trends - The U.S. White House is considering a 15% global tariff rate, leading to increased risk aversion among investors and a decline in the U.S. dollar index, which has strengthened the international precious metals market [1][14] - On Wednesday, international gold prices rose above $5,200 per ounce, while silver futures surged nearly 4% due to inventory levels [1][16] - On the same day, U.S. stock indices collectively rose, with the Dow Jones up 0.63%, the S&P 500 up 0.81%, and the Nasdaq up 1.26% [3] Group 2: Nvidia's Financial Performance - Nvidia reported a record revenue of $68.1 billion for the fourth quarter of fiscal year 2026, a 73% year-over-year increase, with over 90% of sales coming from its core data center business [4][6] - The company's net profit nearly doubled year-over-year, and its earnings per share significantly exceeded Wall Street expectations [4] - Nvidia's guidance for the first quarter of fiscal year 2027 also surpassed market expectations, although its stock experienced volatility due to concerns over the sustainability of large AI capital expenditures [6] Group 3: European Market Developments - European stock indices rose collectively on Wednesday, driven by positive earnings reports from numerous companies, with the UK FTSE 100 index reaching a record closing high [8] - The UK stock market increased by 1.18%, France's market rose by 0.47%, and Germany's market was up by 0.76% [8] Group 4: Oil Market Insights - The oil market showed mixed results, with U.S. and Iran continuing negotiations, alleviating some market concerns [12] - The U.S. Energy Information Administration reported a significant increase in commercial crude oil inventories, rising nearly 16 million barrels, indicating weak oil consumption demand [12] - As of the close, New York light crude oil futures fell to $65.42 per barrel, a decrease of 0.32%, while London Brent crude oil futures rose to $70.85 per barrel, an increase of 0.11% [12]