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A股午评 | A股市值首破100万亿 沪指近十年新高、成交放量4千亿 算力产业链再度爆发
智通财经网·2025-08-18 03:43

Market Overview - A-shares experienced a significant rise on August 18, with the Shanghai Composite Index surpassing 3731.69 points, marking a new high since August 21, 2015. The total market capitalization of A-shares exceeded 100 trillion yuan for the first time in history [1] - By midday, the Shanghai Composite Index rose by 1.18%, the Shenzhen Component Index increased by 2.25%, and the ChiNext Index surged by 3.63%, with nearly 4500 stocks in the green and trading volume exceeding 400 billion yuan compared to the previous trading day [1] Key Drivers - The People's Bank of China emphasized a moderately loose monetary policy in its second-quarter report, focusing on supply-side financial policies [1] - OpenAI is planning a trillion-level investment in AI infrastructure, indicating a significant upturn in AI infrastructure capital expenditure, as noted by Guosen Securities [1][3] - The China Securities Regulatory Commission approved Western Securities to become the major shareholder of Guorong Securities, potentially leading to total assets nearing 120 billion yuan post-merger [1] Sector Performance Financial Sector - Major financial stocks, including brokerages and banks, saw substantial gains, with Longcheng Securities achieving a four-day consecutive rise and Tonghuashun's stock price surpassing 400 yuan [2] Technology Sector - The computing power industry chain, including liquid cooling servers and optical modules, experienced a resurgence, with multiple stocks hitting the daily limit [3] - The AI sector is expected to benefit significantly from the ongoing investment in infrastructure, with a long-term positive outlook for the supply and distribution systems [3] Entertainment Sector - The film industry showed strong performance, with several stocks hitting the daily limit as the total box office for the summer season approached 100 billion yuan, indicating a recovery in content supply [4] Consumer Electronics - The consumer electronics sector saw a rally, with stocks like Yingshi Innovation reaching historical highs, driven by new product launches in the drone market [5][6] Institutional Insights - Industrial analysts from Xinyi Securities suggest that the current market is experiencing a "healthy bull" phase, with a steady upward trend and low volatility, indicating no overall overheating in the market [7] - CITIC Securities highlighted two potential scenarios for the ongoing slow bull market: either a consolidation phase or a rapid approach to market peaks, which could lead to significant corrections [8] - Everbright Securities anticipates that the technology sector will continue to lead the market, with a focus on AI and innovative pharmaceuticals as key investment themes [9]