今日，重磅发布会！盘前重要消息一览

Group 1 - The State Council Information Office held a press conference to discuss the preparations for the military parade [2] - The Ministry of Human Resources and Social Security announced new regulations for personal pension withdrawals, effective September 1 [4] - The Ministry of Finance reported that local government special bonds and other financial instruments have led to a 31.7% increase in government fund budget expenditures [7] Group 2 - A meeting was held by six departments to strengthen regulation in the photovoltaic industry and curb low-price competition [3][8] - The Ministry of Industry and Information Technology and other agencies are promoting the application of industrial robots in high-risk work scenarios to improve production efficiency and safety [9] - The Guangdong provincial government issued policies to support the development of commercial aerospace, including satellite constellation construction [9] Group 3 - The U.S. Department of Commerce announced the inclusion of 407 product categories in the steel and aluminum tariff list, with a 50% tax rate [11] - The Chinese stock market showed mixed results, with the Nasdaq China Golden Dragon Index down by 0.9% [12] - The Ministry of Finance reported a 20.7% year-on-year increase in stamp duty revenue, with securities transaction stamp duty rising by 62.5% [8]