热门概念股持续上攻，沪指半日收涨0.27%

Market Overview - The market opened slightly lower on August 6, with small-cap stocks leading the gains. The Shanghai Composite Index rose by 0.27% to 3627.54 points, while the Shenzhen Component increased by 0.46%, and the ChiNext Index gained 0.39% [1][2] - The A-share market recorded a half-day trading volume of 1.07 trillion yuan [1] Monetary Policy - The People's Bank of China conducted a 138.5 billion yuan reverse repurchase operation with a fixed rate of 1.40% on August 6. The total amount of reverse repos maturing that day was 309 billion yuan, resulting in a net withdrawal of 170.5 billion yuan [2] Robotics and AI Industry - Nvidia announced its deep involvement in the 2025 World Robot Conference, showcasing its layout in physical AI and general robotics alongside partners like Galaxy General and Yushu Technology [3] - The Shanghai Municipal Government released an implementation plan for the development of embodied intelligence, aiming for breakthroughs in core algorithms and technologies by 2027, with a target industry scale exceeding 50 billion yuan [3] Sector Performance - The PEEK materials sector has seen significant gains, with companies like Huami New Materials and Xinhan New Materials experiencing substantial stock price increases [4] - The military industry sector is benefiting from increased military spending globally, particularly following the Russia-Ukraine conflict, leading to a rise in military trade [4] Company Insights - Great Wall Military Industry has increased its R&D investment, focusing on product upgrades and expanding its product line to drive future growth [6] - Aerospace South Lake specializes in air defense radar, with a strong technical foundation and potential market space for transitioning military products to civilian use [6] - Inner Mongolia First Machinery Group is expected to benefit from the ongoing demand for new army equipment [6] - Construction Industry is accelerating its layout in various sectors, including new special equipment and green technology, to cultivate new growth engines [6]