中美谈判利好落地，市场为何反转向下？

Group 1 - The core viewpoint of the article revolves around the unexpected market downturn despite positive developments in US-China negotiations and a Federal Reserve interest rate cut [1][2] - The Federal Reserve's decision to cut interest rates by 25 basis points and halt balance sheet reduction was in line with market expectations, leading to a calm market reaction [2] - The first wave of news from the US-China summit was vague, lacking specific outcomes, which left investors disappointed and contributed to the market decline [2] Group 2 - The article emphasizes the need to focus on domestic issues, suggesting two key directions for attention [1]