2 1 Shi Ji Jing Ji Bao Dao·2025-10-21 12:36Market Overview - On October 21, the A-share market rebounded, with the Shanghai Composite Index recovering the 3900-point mark, closing up 1.36% at 3916.33 points [1] - The Shenzhen Component Index rose by 2.06% to 13077.32 points, while the ChiNext Index increased by 3.02% to 3083.72 points [1] - The total trading volume of A-shares reached 1.89 trillion yuan, an increase of over 140 billion yuan compared to the previous trading day [1] Sector Performance - The AI computing power sector saw strong gains, with the Wind光模块 (CPO) index rising over 6% and the光芯片 index increasing nearly 5% [1][2] - The Apple supply chain strengthened due to a rise in Apple’s stock price, with companies like闻泰科技 and环旭电子 hitting the daily limit, and工业富联 rising by 9.57% [1] - Conversely, the Wind coal mining and lithium battery electrolyte indices fell by 1.30% and 1.59%, respectively [1][2] AI Sector Insights - The AI sector is experiencing a surge due to multiple favorable factors, including significant investments from global tech giants and supportive domestic policies [4] - The domestic semiconductor equipment localization rate has surpassed 45%, and AI computing infrastructure is receiving special bond support, accelerating the formation of an industrial ecosystem [4] - Institutions predict that AI inference demand will rise to 80% by 2030, driven by the explosion of intelligent applications [4] Market Volatility - Recent volatility in the computing power sector has been attributed to external negative news and profit-taking by investors [5] - The rapid switching of funds in the market reflects investors' high expectations and uncertainties regarding the future of artificial intelligence [5] Future Market Trends - There is a divergence of opinions among institutions regarding potential style shifts in the A-share market for the fourth quarter [6] - Some believe that a significant style shift is unlikely, while others anticipate a rotation between growth and value styles [6][7] - The market is expected to experience a stepwise upward trend, with a focus on low-valuation sectors and the sustainability of high-valuation sectors [8] Investment Strategies - Institutions suggest focusing on sectors such as AI, semiconductors, energy storage, and controlled nuclear fusion for long-term investments [9] - Short-term strategies should prioritize stocks with strong earnings, while value sectors like brokerage, insurance, and financial IT are expected to see improvements in valuation and performance [9][10] - The market is transitioning from liquidity-driven to profit-driven dynamics, emphasizing the importance of selecting high-quality assets with real orders and cash flow improvements [9]