美联储降息与中美会谈双利好！A股却跳水，三大原因戳破市场预期

Group 1 - The core point of the article is that despite two significant external positive events (the Federal Reserve's interest rate cut and the China-U.S. meeting in Busan), the A-share market did not respond positively and instead experienced a decline [3][30]. - The market had already priced in the expected interest rate cut by the Federal Reserve, leading to a lack of momentum when the announcement was made [5][16]. - The ambiguity surrounding future interest rate cuts from the Federal Reserve created uncertainty in the financial markets, contributing to the negative reaction [7][30]. Group 2 - The Busan meeting did not yield significant breakthroughs on key strategic issues, which led to a lack of positive surprises for the market [11][13]. - The performance of high-tech sectors, which had previously driven the A-share market's rise, fell short of expectations in their quarterly reports, leading to a broader market decline [19][21]. - The overall market reaction was a result of external positive news being fully digested and internal performance not meeting high expectations, highlighting the importance of actual earnings supporting stock prices [28][32].