午评：沪指跌0.3% 环氧丙烷板块领涨 卫星互联网板块领跌

Market Overview - The Shanghai and Shenzhen stock markets opened lower on January 20, with major indices experiencing initial gains followed by declines, with the Shanghai Composite Index dropping by 0.82% at one point [1] - By midday, the Shanghai Composite Index closed at 4101.62 points, down 0.30%, with a trading volume of approximately 802.8 billion yuan; the Shenzhen Component Index closed at 14119.95 points, down 1.22%, with a trading volume of about 104.51 billion yuan [1] Sector Performance - The sectors showing initial gains included cultivated diamonds, semiconductors, rental purchase rights, storage chips, and cement materials, while sectors like Hainan, precious metals, and satellite internet showed initial declines [1] - By midday, the leading sectors in terms of gains were epoxy propylene, rental purchase rights, and insurance, while satellite internet, CPO concepts, and virtual robots were among the sectors with the largest declines [1] Institutional Insights - CITIC Securities highlighted that the AI application sector is expected to be a main focus in early 2026, with ongoing catalysts for AI applications and a trend towards accelerated implementation [2] - Huatai Securities noted that the high crowding risk in the defense and military sector has been alleviated, but funds flowing out have not moved to safer options, leading to significant internal sector differentiation and rapid rotation within the A-share market [2] Company Updates - CITIC Construction Investment reported that TSMC's latest financial results exceeded market expectations, indicating strong growth potential in the computing power sector, with a forecast for continued robust demand through 2027 [3] Policy Developments - The National Development and Reform Commission (NDRC) announced plans to formulate the "2026-2030 Strategy for Expanding Domestic Demand," aimed at aligning new demand with new supply through innovative measures [4] - The NDRC is also planning to advance significant projects in high-tech industries, targeting a manufacturing value-added share of over 17% by 2025 [5] - Additionally, the NDRC is researching the establishment of a national-level merger and acquisition fund to enhance government investment strategies and promote innovation and entrepreneurship [6]