利空突袭！暴跌！

Group 1: Earnings Reports Impact - Several tech stocks, including Supermicro, Snap, and AMD, experienced significant declines in after-hours trading due to disappointing earnings reports, with Supermicro dropping over 16%, Snap over 14%, and AMD over 6% [2][3] - Supermicro's Q4 FY2025 net sales were $5.76 billion, below the analyst expectation of $6.01 billion, with a gross margin of 9.6%, lower than the expected 10% [2] - Snap reported Q2 sales of $1.345 billion, slightly below the expected $1.35 billion, and a net loss of $262.6 million, compared to a loss of $248.6 million in the same period last year [3] - AMD's Q2 revenue grew 32% year-over-year to $7.7 billion, exceeding the analyst expectation of $7.43 billion, but adjusted EPS was $0.48, below the expected $0.49 [3] Group 2: Market Reactions and Economic Indicators - The ISM services PMI for July was reported at 50.1, below the expected 51.5, indicating near stagnation in the services sector, with the employment index dropping to 46.4, the lowest since the pandemic [8] - The price index rose to 69.9, suggesting increased inflationary pressures, which complicates the Federal Reserve's policy decisions [8] - The overall market sentiment was negatively impacted by President Trump's announcement of new tariffs, including a potential 250% tariff on imported drugs and upcoming tariffs on semiconductors [8][9] Group 3: Broader Market Trends - Major U.S. stock indices closed lower, with the Dow Jones down 0.14%, S&P 500 down 0.49%, and Nasdaq down 0.65%, with over 4,700 stocks declining [6][7] - Other large tech stocks also saw declines, including Microsoft, Meta, and Nvidia, while Amazon managed a slight increase of 0.99% [5]