突然爆发，20%涨停

Market Overview - The A-share market opened lower on August 4, with the Shanghai Composite Index up by 0.24% to 3568.39, while the Shenzhen Component Index fell by 0.27% to 10962.19, and the ChiNext Index decreased by 0.49% to 2311.14 [1][2] - The Hong Kong stock market saw all three major indices rise, with notable gains in Huahong Semiconductor, which increased over 6%, and other companies like SMIC, Lenovo Group, and Xiaomi Group also following suit [2][4] Sector Performance - The aerospace and military sector experienced a significant rally, with stocks like Aileda hitting a 20% limit up, and other companies such as Aerospace Electronics and Great Wall Military also seeing substantial gains [5][7] - Gold stocks collectively rose, with Chifeng Jilong Gold increasing over 5%, and other companies like Shandong Gold and Shanjin International also showing positive performance [8][9] Economic Indicators - The U.S. non-farm payroll data for July fell significantly short of expectations, leading to increased market speculation regarding potential interest rate cuts, which in turn drove gold prices to surpass $3400 per ounce [9][10] - The Bank of Japan maintained its benchmark interest rate at 0.5% for the fourth consecutive time, while also revising its inflation forecast for 2025, indicating a potential shift in monetary policy [11][12]