穆迪降级引发美股下跌，散户创纪录逢低抢筹

Group 1 - Retail investors are making record low-price purchases, balancing the volatile stock market, with a net purchase of $4.1 billion in U.S. stocks on a recent Monday, marking the highest level at that time of day [1] - The S&P 500 index initially dropped nearly 1.1% but rebounded to a flat position by the afternoon, with retail investors accounting for 36% of trading volume, reaching a historical high [1] - Retail investors have learned from past experiences and are now committed to seizing opportunities in the market, as indicated by their significant buying activity in recent weeks [1] Group 2 - Wall Street strategists largely ignored Moody's downgrade, advising clients to continue buying stocks, with Morgan Stanley suggesting that the easing of U.S.-China trade tensions reduces recession risks [2] - Retail investors are strategically allocating funds to assets that offer attractive risk-adjusted returns, with a focus on stocks amid declining inflation and strong balance sheets [2] - On a recent Monday, retail investors bought $2.5 billion in individual stocks and $1.5 billion in ETFs, with significant inflows into Tesla and Palantir, while remaining net sellers of Nvidia [2]