午评：沪指低位震荡跌0.68% AI硬件、创新药概念股再度大涨

Market Performance - A-shares showed mixed performance on July 31, with the Shanghai Composite Index down 0.68% and the ChiNext Index slightly up by 0.43, indicating a volatile trading day [1] - AI concept stocks performed strongly, with several hardware stocks like Cambridge Technology and Invech hitting the daily limit, while innovative drug stocks like Kangyuan Pharmaceutical also saw significant gains [1] Sector Analysis - Chemical pharmaceuticals, software development, IT services, and AI-related sectors showed the highest gains, while steel, coal mining, precious metals, and real estate sectors faced the largest declines [2] Institutional Insights - Huatai Securities identified four key trends in the AI large model industry chain, including a shift to token-driven growth, increasing demand for server computing power, a lead of B-end commercialization over C-end consumer products, and healthy competition among domestic and international firms [3] - CITIC Securities noted a clear signal for policy shifts supporting the innovative drug and medical device industries, suggesting potential recovery in valuations and performance for the medical device sector [3] Economic Indicators - The National Bureau of Statistics reported that the manufacturing PMI for July was 49.3, indicating a slight decline of 0.4 percentage points from the previous month, attributed to seasonal production slowdowns and adverse weather conditions [5] - The National Energy Administration announced that the cumulative photovoltaic power generation in the first half of the year reached 559.1 billion kWh, a year-on-year increase of 42.9%, with significant growth in both centralized and distributed photovoltaic installations [6]