听说马斯克最近又整活儿了！旗下人工智能公司x AI于2025年8月1日正式提交申请，将MacroHard注册为商标，取名巨硬，疑似内涵微软（Microsoft）。 X AI硬不硬不知道，美股散户和A股最近非常"硬气"。 1 美国散户再次抄底！ 美股散户的强大，难以想象。 上周五美股遭遇抛售潮之际，散户再次挺身而出。盈透证券交易数据显示，其平台的累计净买入订单在上周五较前一周激增78%，本周一美股立马强劲反 弹。 全国投资管理集团首席市场策略师Mark Hackett表示，"周一几乎完全的反转，正是散户投资者'逢低买入'策略的体现，这策略彻底困扰了机构 投资者。" 这事已经不是第一次发生了。 4月后，美股三大指数从关税冲击中快速修复。标普500指数在4月收复年内半数失地，并于7月28日突破4800点创历史新高。 这一反弹走势与散户资金流入规模高度同步。例如5月19日散户大举抄底美股，净买入额达到创纪录的41亿美元，占当日交易量的36%，刷新历史最高水 平。 VandaResearch数据显示，2025年上半年散户向美国股票和ETF的资金流入达到1553亿美元，创下历史同期最高纪录。 尤其是在第二季度，散户交易活 ...

Group 1 - The core viewpoint of the article highlights that despite the recent rise in the U.S. stock market, key support forces are showing signs of weakening, leading to potential risks in September [1][21] - Retail investors have been a significant driving force behind the recent rebound in the U.S. stock market, with net buying occurring on 27 out of the last 28 trading days [4][20] - Systematic funds, which have injected over $365 billion into global markets in the past 75 trading days, are nearing their capacity limits, which may reduce their role as stabilizing buyers [9][12] Group 2 - Historical data indicates that retail trading activity typically peaks in June and July, then declines in August, reaching its lowest point in September, suggesting a loss of a key buying force [6][16] - The article warns of a "support vacuum" as retail buying wanes and institutional buying exhausts, particularly in September, which is historically the worst-performing month for the S&P 500 index [2][17] - Despite strong earnings reports, with 85% of companies exceeding expectations, these positive factors may not be enough to counteract the dual pressures from funding and seasonal trends [20][21] Group 3 - The article emphasizes that the market's ability to withstand negative macroeconomic news will be significantly weakened, preparing investors for potential higher volatility [3][21] - The article also notes that volatility control strategies may see a slowdown in buying demand due to recent increases in volatility, while risk parity strategies are returning to historical levels [13][14]