A股三大指数小幅低开，贵金属、煤炭板块跌幅居前

Group 1 - The Federal Reserve has lowered interest rates by 25 basis points, with Powell emphasizing that a further rate cut in December is "far from certain" [1] - The meeting between the leaders of China and the United States is set to take place today in South Korea, focusing on U.S.-China relations and mutual concerns [1] Group 2 - A-shares opened with slight declines, with the Shanghai Composite Index down by 0.21%, the Shenzhen Component down by 0.22%, and the ChiNext Index down by 0.32% [1] - Precious metals and coal sectors experienced the largest declines at the market open, while some steel and real estate stocks opened higher [1]