Group 1 - The Federal Reserve maintained the federal funds rate in the range of 3.50%-3.75%, aligning with market expectations [3][7] - The Dow Jones Industrial Average decreased by 35.85 points, or 0.07%, closing at 48,967.56 points; the Nasdaq Composite increased by 52.63 points, or 0.22%, closing at 23,869.73 points; the S&P 500 index fell by 5.95 points, or 0.09%, closing at 6,972.65 points [3][7] - ASML reported record orders and provided a strong 2026 earnings outlook due to the AI boom, resulting in a significant increase in its stock price [3][7] - Seagate Technology announced second-quarter earnings and revenue that exceeded expectations, leading to a surge in its stock price, with strong demand for AI data storage noted by CEO Dave Mosley [3][7] - Major tech companies, including Microsoft, Meta Platforms, and Tesla, are set to release quarterly financial results, with Apple scheduled for Thursday [3][7] Group 2 - The S&P 500 index rose by 0.4% to a historical high in the previous trading session, while the Nasdaq Composite increased by 0.9% [3][7] - The Dow Jones index saw a decline of over 400 points, primarily due to a nearly 20% drop in UnitedHealth's stock price [3][7]