白银，突发大跳水！特朗普出手，狂飙！

Market Overview - US stock markets closed higher with the Dow Jones up 0.64% at 49,412.4 points, S&P 500 up 0.5% at 6,950.23 points, and Nasdaq up 0.43% at 23,601.36 points, reflecting positive investor sentiment amid recent economic data [1] - Major tech stocks saw mixed performance, with Apple and Facebook rising over 2%, Google up over 1%, and Microsoft nearly 1%, while Amazon, Nvidia, and Tesla experienced declines, with Tesla down over 3% [3][4] Corporate Bond Market - Despite the volatility caused by tariff threats from the Trump administration, investors are aggressively purchasing corporate bonds, leading to the lowest borrowing costs for blue-chip companies relative to US Treasuries this century [4] - Year-to-date, corporate borrowers have raised over $172 billion from the US investment-grade bond market, marking the fastest growth since 2020 [4] Tariff Announcement - President Trump announced plans to raise tariffs on various goods from South Korea to 25% due to the South Korean legislature's failure to ratify a previously agreed trade deal [5] - The tariff increase will affect products such as automobiles, timber, and pharmaceuticals, which were previously taxed at 15% [5] Commodity Prices - Gold and silver prices reached historic highs, with gold briefly surpassing $5,000 per ounce before settling at $5,040.1 per ounce, a decrease of 0.83% [6][7] - Silver prices saw a peak increase of over 10% during trading but later retracted, closing at $106.4 per ounce, down 7.88% [6][7] Natural Gas Prices - Natural gas prices surged over 40%, with near-month contracts breaking the $7 per million British thermal units mark for the first time since 2022 [8] - A significant winter storm across the US has led to a spike in heating demand and disrupted approximately 12% of the country's natural gas production [12]