根据Wind数据统计，截至8月21日，社保基金持有129只股票，持股市值合计达332亿元。在个股选择上，持有市值前 十的个股为银行板块的常熟银行、PCB板块的鹏鼎控股、农业板块的海大以及化工龙头万华化学。 序号 从行业板块看，集中在化工、硬件设备、食品饮料、医药生物和银行。其中低位板块化工板块持股市值达60亿位列第 一。 名称 持股数量(万股)-本期 持股市值(万元)-本期 Wind行业 1常熟银行27779.13 204732.18 银行2鹏鼎控股4301.00 137760.98 硬件设备3海大集团2103.44 123240.26 食品饮料4万华 化学2120.99 115084.84 化工5信维通信3700.00 82880.00 硬件设备6藏格矿业1812.00 77318.04 化工7涪陵电力8169.94 75163.43 公用事业Ⅱ8华东医药1758.97 70992.21 医疗设备与服务9思源电气935.74 68224.45 电气设备10华工科技 1437.52 67577.86 硬件设备 近期化工板块再起攻势。成份股方面，今日钛白粉、氮肥、钾肥、聚氨酯等板块部分个股涨幅居前，中核钛白涨停 ...

Group 1 - The current market is driven by incremental capital, with limited impact from fund redemption pressure on growth sectors like electronics, suggesting a potential shift towards public offerings and institutional dominance, which supports technology sectors such as semiconductor chips [1] - The expectation for domestic computing power has been reiterated, alongside discussions on emerging applications like 3D printing and liquid cooling technology, which may boost demand expectations in the chip industry [1] - The results of the 301 investigation concerning China's mature chips are expected to be announced by September 23, with potential market volatility due to technology controls and tariff policies, although short-term pressure is manageable as the Trump administration plans to suspend a 24% equivalent tariff until November 10 [1] Group 2 - The AI chip ecosystem at the edge consists of edge SoC, storage chips, sensor chips, and smart modules, with storage chips facing challenges in capacity, speed, and power consumption; Lianyun Technology has developed a product line from SATA to PCIe 4.0, targeting lightweight laptops and pre-installed markets [2] - The emphasis on semiconductor self-sufficiency continues, with ongoing iterations of domestic AI computing power chips and enhanced supply chain capabilities; the analog IC sector is experiencing volume growth with stable prices, and automotive-grade products are entering a replacement window, indicating direct support for the semiconductor sector [2] Group 3 - Related products include various ETFs such as the Sci-Tech Chip ETF Index (588920), New Energy ETF (159261), Semiconductor ETF (159813), and others [3] - Key associated stocks include Cambrian (688256), Haiguang Information (688041), and others within the semiconductor industry [3]

Market Overview - On July 22, A-shares saw all three major indices rise, with the Shanghai Composite Index up by 0.62%, the Shenzhen Component Index up by 0.84%, and the ChiNext Index up by 0.61% [1] - The China A50 Index led the gains among major indices, increasing by 1.02% [2] - Over 2,500 stocks in the market experienced an increase [1] Hong Kong Market - On the same day, major indices in the Hong Kong market also rose, with the Hang Seng China Enterprises Index increasing by 1.13% [4] - The Hang Seng Index and Hang Seng Technology Index rose by 0.54% and 0.38%, respectively [5] Sector Performance - In terms of sector performance, coal (6.18%), building materials (4.49%), and construction decoration (3.38%) sectors showed the highest gains, while banking (-0.98%), computer (-0.73%), and communication (-0.43%) sectors faced the largest declines [7] Chemical Industry Insights - The chemical sector is experiencing a positive influx of capital, with a net subscription of 460 million units on the day, driven by favorable news such as anti-involution [7] - China Galaxy Securities noted that the basic chemical industry is currently undervalued compared to levels since 2014, presenting medium to long-term investment opportunities [7] - Key investment themes include opportunities in the western development initiative, supply-side disruptions, and the acceleration of domestic substitution in new materials [7] Science and Technology Bond Market - As of July 22, 2025, the Penghua Science and Technology Bond ETF (551030) saw a trading volume exceeding 15.8 billion, ranking second among similar products [8] - The ETF has achieved an average daily trading volume of 11.85 billion since its inception, indicating active trading [7] - The latest scale of the Penghua Science and Technology Bond ETF has surpassed 14 billion, showing significant growth [7] Research Insights - Dongwu Securities believes that the introduction of the Science and Technology Bond ETF can meet the allocation needs of institutional investors such as social security funds and pension funds, potentially attracting long-term capital into the science and technology bond market [8]

截至05月23日10:17，化工ETF（159870.SZ）上涨0.53%，其关联指数细分化工（000813.CSI）上涨 0.57%；主要成分股中，万华化学上涨0.75%，盐湖股份上涨1.00%，光威复材上涨1.62%，藏格矿业上 涨0.96%，云天化上涨0.85%。 消息面上，5月23日化工板块表现活跃，苏州龙杰11天7板，汇得科技3连板，尤夫股份、永冠新材涨 停，联合化学、润阳科技涨超10%；生意社数据显示涤纶FDY价格较月初上涨8.92%至7424元/吨，原料 成本上行推动相关企业盈利预期改善，带动细分化工指数及成分股走强。 券商研究方面，兴业证券指出当前化工核心资产估值总体处于历史较低水平，安全边际显著，以细分化 工指数成分股为例，万华化学、华峰化学PB历史分位均低于1%，宝丰能源、华鲁恒升等企业分位也低 于20%，配置价值凸显；慧博智能投研则强调AI技术正推动化工行业研发范式与生产模式变革，龙头企 业通过智能配煤系统等技术应用提升效率并降低成本，如宝丰能源利用AI算法优化煤化工生产流程， 行业技术升级或进一步强化头部企业竞争优势。 关联产品： 化工ETF（159870），联接基金（A类 01494 ...