黄金，多空拉锯！

Group 1: Market Movements - Gold prices experienced a slight increase, reaching $3,323.82, with a peak of $3,330 during trading [1] - The U.S. stock indices saw modest gains, with the Dow Jones up 0.43% to 44,650.64 points, the S&P 500 rising 0.27% to 6,280.46 points, and the Nasdaq increasing 0.09% to 20,630.66 points, marking new highs for the S&P 500 and Nasdaq [2] Group 2: Tariff Developments - President Trump announced a 35% tariff on goods imported from Canada starting August 1, and sent tariff letters to 14 countries with rates ranging from 25% to 40% [5] - Trump also indicated plans to impose a 50% tariff on all Brazilian products starting August 1, 2025 [5] Group 3: Federal Reserve Pressure - Trump has been pressuring the Federal Reserve to lower interest rates, claiming current rates are too high and cost the U.S. $360 billion annually in refinancing [6] - JPMorgan CEO Jamie Dimon suggested a higher likelihood of interest rate hikes than the market anticipates, while St. Louis Fed President Bullard warned that the true impact of tariffs on inflation may not be felt until late 2023 or even 2026 [9][10] Group 4: International Conflicts - Russia launched a large-scale attack on Ukrainian military facilities, with significant airstrikes reported in Kyiv and other regions [12] - The U.S. is set to provide $300 million in military aid to Ukraine, potentially including advanced defense systems [14][15] - Tensions in the Middle East escalated, with Houthi forces claiming multiple attacks on Israeli targets and a blockade on shipping related to Israel [16][18] - The conflict in Gaza intensified, resulting in numerous casualties from Israeli airstrikes [19]