降准0.5个百分点！沪指半日收涨0.64%

Market Overview - A-shares opened significantly higher on May 7, with the ChiNext Index rising over 2% at one point. By the morning close, the Shanghai Composite Index increased by 0.64% to 3337.23 points, the Shenzhen Component Index rose by 0.19%, and the ChiNext Index gained 0.4%. The total trading volume in A-shares reached 9890.32 billion yuan [1]. Monetary Policy - The People's Bank of China (PBOC) conducted a 7-day reverse repurchase operation of 195.5 billion yuan at a fixed rate of 1.50% on May 7. The central bank announced a reduction in the reserve requirement ratio (RRR) by 0.5 percentage points for financial institutions starting May 15, 2025, and a 5 percentage point reduction for auto finance and leasing companies. Additionally, from May 8, 2025, the PBOC will lower the personal housing provident fund loan rates by 0.25 percentage points [3]. Fund Management - The Chairman of the China Securities Regulatory Commission (CSRC) stated that the "Action Plan for Promoting High-Quality Development of Public Funds" is mature and will be released soon. The plan aims to enhance the stability of fund investment behavior and establish clear performance benchmarks for each fund to avoid deviations from their stated investment objectives [4]. Sector Performance - The military industry stocks experienced a surge, with real estate stocks also showing significant gains. Financial sector stocks contributed to the upward momentum in the market [5]. - The top-performing sectors included large aircraft (3.38%), military-civilian integration (3.33%), and commercial aerospace (2.78%) [6]. Aviation Industry - The large aircraft industry chain is characterized by a "smile curve," indicating reliance on global supply chains. However, COMAC is fostering a "main manufacturer-supplier" business model and actively developing local suppliers. The C919 aircraft is being optimized with composite materials, although there remains a dependency on foreign technology for onboard systems. The CJ1000A engine, developed by AVIC, is currently in testing and is expected to power the C919 in the future, marking a significant step towards independent innovation in the domestic large aircraft sector [7]. Company Insights - Runbei Aviation Technology: The company is expected to benefit from the accelerated production and delivery of domestic large aircraft, leading to increased demand for aviation materials [11]. - Guanglian Aviation: The company has established a strategic cooperation agreement with Shanghai Lingang New Area Aviation Industry Development Co., aiming to leverage industry cluster advantages and enhance its product offerings in the large aircraft sector [12]. - Andavil: The company has a strong position in anti-crash seat production, with stable revenue from military products and new growth opportunities from the domestic large aircraft and low-altitude economy [13]. - Triangle Defense: The company has strengthened collaborations with research institutions and universities to advance new material development, enhancing its market competitiveness in defense equipment [14].