美联储降息预期升温，市场反应强烈

Group 1 - Jerome Powell's speech at the Jackson Hole meeting indicated a potential adjustment in monetary policy, leading to significant market volatility [1] - The dollar index experienced its largest single-day drop since April, while major indices like the Dow Jones and Nasdaq saw substantial gains [1] - Market expectations for a rate cut rose sharply after Powell's remarks, with historical data suggesting a high likelihood of rate cuts when pre-meeting expectations exceed 90% [1][2] Group 2 - Powell highlighted challenges in achieving dual goals of employment and inflation, suggesting a downtrend risk in the labor market [2] - The dovish stance from Powell positively impacted both U.S. and Hong Kong stock markets, with the Hang Seng Tech Index futures rising by 2.07% [2] - Following Powell's comments, there was a notable increase in ETF investments in Hong Kong stocks, with significant net inflows observed [3] Group 3 - The A-share market is experiencing accelerated growth, with trading volumes exceeding 2 trillion RMB for eight consecutive days, marking a historical record [4] - Investor sentiment in A-shares is becoming more active, with a notable increase in the "bull market" sentiment index [4] - Predictions suggest that A-shares could potentially break the 4000-point mark by year-end, with a long-term target of 5000 points if asset securitization rates reach 100% [4]