关税政策不确定性笼罩市场，现货黄金站上5170美元，韩股高开，油价走低

Core Viewpoint - The recent U.S. Supreme Court ruling on tariffs has injected significant policy uncertainty, leading to a decline in the dollar and increased risk premiums for U.S. assets, while global market volatility remains high [1][2][4]. Group 1: Market Reactions - The South Korean Seoul Composite Index opened up by 1.6%, while the S&P 500 futures fell by 0.4% and the dollar index decreased by 0.2% [1]. - Asian stock indices rose by 0.5%, primarily driven by gains in major technology stocks [1]. - The S&P 500 index rose by 0.7% last Friday, marking its best weekly performance since January 9, as optimism from the tariff ruling offset concerns over escalating tensions with Iran [5]. Group 2: Economic Indicators - The yield on the 10-year U.S. Treasury bond slightly decreased to 4.08% amid mixed economic growth and inflation data, reflecting market uncertainty regarding potential budget shortfalls [7]. - Gold prices rose to $5,170 per ounce, increasing by 1.3%, while silver prices reached $87.11 per ounce, up nearly 3% [6]. Group 3: Policy Uncertainty - Goldman Sachs strategists noted that the comprehensive decline of the dollar may reflect new policy uncertainty stemming from the Supreme Court ruling, which could negatively impact investor sentiment and business activities [2]. - AT Global Markets' chief market analyst expressed that the uncertainty surrounding President Trump's next actions overshadows any positive factors from potential tariff reductions [4].