丨证券研究报告丨 战略数据研究丨专题报告 [Table_Title] 近期小微盘成交热度有所回升——W136 市场 观察 报告要点 [Table_Summary] 当周是 2026 年春节假期后第一个交易周，A 股市场整体表现向好，周期和科技成长风格齐涨。 伴随市场成交活跃整体回暖，近期小微盘成交热度有所回升；行业层面，油气石化、金属、非 金属材料等成交活跃度居前。小微盘表现向好下，量化基金重仓周度表现居前；北向重仓系列 中，当周沪股通重仓指数领涨。行业板块层面，原材料、能源板块周度领涨。风格内部，创业 板成长周度领涨，中小盘表现较佳。主题热点中，中部崛起及专精特新系列指数周度表现较佳。 分析师及联系人 [Table_Author] 陈洁敏 SAC：S0490518120005 SFC：BUT348 请阅读最后评级说明和重要声明 %% %% %% %% research.95579.com 1 [Table_Title 近期小微盘成交热度有所回升 2] ——W136 市场 观察 [Table_Summary2] 度量市场情绪：近期小微盘成交热度有所回升 机构赚钱效应：量化基金重仓周度表现居前 行业板块：原材料 ...

Timing Perspective - The three-dimensional timing framework has entered a cautious state, indicating a judgment of oscillating decline due to a downward trend in liquidity and an upward trend in divergence[5] - The Shanghai Composite Index has repeatedly tested the demand line without breaking through, suggesting that while the upward trend remains, market volume is significantly shrinking[5] Sector Rotation - The communication equipment index saw a substantial inflow of 208% over the past week, while the oil and gas industry had a 630% inflow over the past month[27] - The ETF hot trend strategy has achieved a return of 54.82% since 2025, outperforming the Shanghai Composite Index by 33.27%[28] All-Weather Allocation - The high-volatility version of the all-weather strategy has an annualized return of 11.8% with a maximum drawdown of 3.6% and a Sharpe ratio of 2.3[59] - Since 2026, the high-volatility and low-volatility versions have returns of 2.3% and 0.9%, respectively[59] Factor Tracking - The market is currently characterized by a "high value, high leverage, high volatility" style, with the value factor achieving a positive return of 1.48% this week[61] - The liquidity shock factor has shown strong performance with a multi-head excess return of 1.56% over the past week[66] Risk Warning - Quantitative conclusions are based on historical statistics, and future market environment changes may lead to potential invalidation of these conclusions[69]

Group 1 - The report indicates that the convertible bond market in 2025 experienced a strong performance, following the equity market, with a total increase of nearly 20% by December 24, 2025, although it slightly underperformed compared to the broader A-share market which had a maximum increase of 31.9% [17] - The report highlights a significant shift in market style from defensive dividend stocks to technology growth stocks, driven by a recovery in risk appetite, which has led to an increase in the central price of convertible bonds and a compression of the conversion premium rate [8][19] - The supply-demand mismatch in the market is noted, with a slowdown in new bond issuance and a significant number of high-quality older bonds being redeemed, leading to a scarcity of quality assets and a heightened "old bond" phenomenon [8][25] Group 2 - Looking ahead to 2026, the macro liquidity environment is expected to remain accommodative, with potential support from both domestic and international monetary policies, including expectations of interest rate cuts by the Federal Reserve [9][10] - The report suggests that the commencement of a Fed rate-cutting cycle could reshape the asset allocation landscape, benefiting cyclical resource sectors and technology growth sectors, particularly in the AI industry, which is expected to replicate the growth trajectory of the mobile internet era [10][9] - The consumer sector is characterized by resilient earnings but facing valuation pressures, with low price-to-book ratios and stable return on equity providing a safety cushion for investments [10][9]

Market Performance - The Shanghai Composite Index closed flat, marking a 10-day consecutive rise, while the Shenzhen Component Index increased by 0.49% and the ChiNext Index rose by 0.63% [1] - The Northbound Stock Connect Index fell by 0.4% [1] - Total trading volume across the three markets reached 21,612 billion yuan, an increase of 36 billion yuan compared to the previous day [1] - Over 3,400 stocks declined across the three markets [1] Sector Performance - The humanoid robot, cinema line, AI agents, liquid cooling servers, oil and gas petrochemicals, digital currency, and semiconductor sectors saw the largest gains [1] - The mini-sized Jin Ying Gain Currency ETF experienced a notable increase of 5.01% [1] - The robotics sector surged in the afternoon, with several ETFs including Ping An Fund's Auto Parts ETF, Penghua's Robotics ETF, E Fund's Robotics ETF, and Invesco Great Wall's Robotics 50 ETF all rising over 4% [1] - The chemical sector also performed well, with E Fund's Chemical Industry ETF and Huaxia Fund's Petrochemical ETF rising by 2.57% and 2.45% respectively [1] - The non-ferrous sector saw an increase, with Wan Jia Fund's Industrial Non-Ferrous ETF rising by 2% [1] Declining Sectors - The Hang Seng Index's Hong Kong Stock Connect ETF continued to decline, dropping by 5.85% [1] - Gold prices fell, leading to declines in gold-related ETFs including the Gold Fund ETF, Shanghai Gold ETF, and Gold ETF, which all dropped by 2% [1] - The Hong Kong pharmaceutical sector continued to decline, with the Hong Kong Innovative Drug ETF falling by 1.55% [1]

Core Viewpoint - The report from CITIC Construction Investment suggests focusing on sectors that are expected to benefit from the "anti-involution" trend, as the chemical industry faces a slowdown in capital expenditure and an approaching cyclical turning point [1] Group 1: Beneficial Sectors - Recommended sectors include pesticides, urea, soda ash, filament, organic silicon, and spandex, which are likely to benefit from the "anti-involution" trend [1] - In the context of a declining interest rate cycle, China's counter-cyclical policies are expected to boost domestic demand, making sectors like polyurethane, coal chemical, petroleum chemical, and fluorochemical attractive [1] Group 2: New Material Development - The development of new productive forces, self-control, and industrial upgrading are emphasized as key strategies in the context of major power competition, with new materials being a primary development direction for China's chemical industry [1] - Focus areas include semiconductor materials, OLED materials, COC materials, and other high value-added products [1] Group 3: High Shareholder Returns - High-quality companies with substantial shareholder returns are expected to continue their revaluation journey, particularly state-owned enterprises in the oil and gas petrochemical sector, coal chemical, compound fertilizer, phosphorus chemical, and leading companies in the MSG/feed amino acid industry [1]

Core Viewpoint - The report from CITIC Construction Investment suggests focusing on specific sectors within the chemical industry that are expected to benefit from the "anti-involution" trend and the upcoming economic cycle shift, while also highlighting the importance of new material development in the context of national competition [1] Group 1: Investment Recommendations - Attention is recommended for sectors such as pesticides, urea, soda ash, long fibers, organic silicon, and spandex, which are likely to benefit from the "anti-involution" trend [1] - In the context of a declining interest rate cycle, sectors like polyurethane, coal chemical, petroleum chemical, and fluorochemical are suggested for investment as they may help stimulate domestic demand [1] Group 2: Development Focus - The report emphasizes the development of new productive forces, self-sufficiency, and industrial upgrades as key strategies in the context of major power competition, with new materials being a primary focus for the Chinese chemical industry [1] - Specific attention is drawn to the continuous development of semiconductor materials, OLED materials, COC materials, and other high value-added products [1] Group 3: Quality Enterprises - High shareholder returns from quality enterprises are expected to continue their revaluation journey, with a focus on leading state-owned enterprises in oil and gas, coal chemical, compound fertilizer, phosphorus chemical, and amino acid industries for feed and flavoring [1]

Market Performance - The weekly trading volume slightly decreased, with the Shanghai Composite Index showing a minor increase, while the ChiNext Index rose nearly 2% for the week[2] - Growth styles continued to recover, particularly mid-cap growth, high volatility, and high beta stocks, which performed well[2] Trading Activity - The trading activity of dividend and low-valuation styles continued to rebound, while growth styles saw a slight pullback before rising again[2] - The crowding degree of micro-cap stocks continued to decline, indicating reduced congestion in this segment[2] Sector Analysis - Among primary sectors, oil and gas, food and beverage, and insurance remain at low crowding levels, suggesting potential opportunities[2] - The information technology and hardware sectors led the weekly performance within industry segments[2] Fund Performance - The fund-heavy index significantly outperformed the CSI 300 Index since the beginning of 2025, indicating strong institutional support for these stocks[2] - The top 50 fund-heavy stocks led the fund-heavy series indices, showcasing a robust performance relative to the broader market[2] Thematic Trends - The new tobacco and specialized innovation indices were among the top performers in thematic trading for the week[2]

Core Insights - The A-share market experienced a downward trend, with the ChiNext index leading the decline, while defensive sectors such as banking and public utilities showed gains [5][8][6] - The Shanghai Composite Index fell by 0.45%, the Shenzhen Component Index decreased by 2.14%, and the ChiNext Index dropped by 2.85%, while the Shanghai 50 Index rose by 0.39% [5][8] - The total market turnover was approximately 2.91 trillion yuan, with 4,055 stocks declining across the market [5][8] Industry Performance - On September 2, 2025, the banking sector (+1.97%), home appliance manufacturing (+0.99%), public utilities (+0.98%), and oil and gas petrochemicals (+0.87%) were the leading industries [8] - Conversely, the telecommunications sector (-5.57%), computer industry (-4.17%), and electronics sector (-3.70%) faced significant declines [8] - Concept stocks such as central enterprise banks (+2.16%), reducers (+2.05%), and gold jewelry (+1.97%) performed well, while sectors like optical modules (-8.24%) and digital currency faced substantial corrections [8] Market Drivers - The decline in major A-share indices was attributed to a cautious market sentiment, particularly affecting the technology sector, which saw significant adjustments [8][6] - The technology sector's previous rapid gains led to profit-taking, contributing to the overall market's cautious shift, despite defensive sectors attempting to stabilize the market [8][6] - The gold price increased due to the interest rate cut cycle, benefiting the gold jewelry sector, while industrial mother machine concept stocks gained strength following new standards issued by regulatory bodies [8][6] Future Outlook - The report maintains a bullish outlook on the Chinese stock market, anticipating continued monetary and fiscal support policies [8] - Historical experiences from previous bull markets in 1999, 2014, and 2019 suggest that domestic policy initiatives can help the market withstand external risks and volatility [8] - Investment directions include focusing on non-bank sectors in a "slow bull" market, technology growth areas like AI computing, and sectors benefiting from improved supply-demand dynamics such as metals, transportation, chemicals, lithium batteries, photovoltaics, and pig farming [8]

Core Insights - The A-share market experienced a narrow fluctuation after a high opening, with overall trading volume slightly decreasing. The three major indices showed mixed performance, with the Shanghai Composite Index rising by 0.13% and the Shenzhen Component Index falling by 0.06% [2][12] - Key sectors leading the market included agricultural products (+1.42%), oil and gas petrochemicals (+1.41%), and public utilities (+0.81%), while the electricity and new energy equipment sector saw a decline of 0.99% [12][12] - The market's driving factors included a recovery in the pig farming industry's prosperity, which boosted the agricultural products sector, and rising international oil prices that strengthened the oil and gas petrochemical sector [12][12] Market Performance - As of August 21, 2025, the major indices showed varied performance: Shanghai Composite Index increased by 0.13%, Shenzhen Component Index decreased by 0.06%, and the ChiNext Index fell by 0.47%. The Shanghai 50 Index rose by 0.53%, while the CSI 300 Index increased by 0.39% [12][12] - The market's total transaction volume was approximately 2.46 trillion yuan [12][12] Sector Analysis - On August 21, 2025, the leading sectors in the A-share market included agricultural products (+1.42%), oil and gas petrochemicals (+1.41%), and public utilities (+0.81%). In contrast, the electricity and new energy equipment sector led the declines with a drop of 0.99% [12][12] - Concept-wise, the network security sector rose by 2.08%, and oil and gas extraction increased by 1.61%, while sectors like liquid cooling servers (-3.70%) and copper-clad laminates (-2.83%) faced declines [12][12] Future Outlook - The report maintains a bullish outlook on the Chinese stock market, suggesting that monetary and fiscal support policies may still be forthcoming. Historical experiences indicate that domestic policy initiatives can help the stock market withstand external risks and volatility [12][12] - Investment directions include focusing on non-bank sectors in a "slow bull" market, benefiting from the "anti-involution" trend in metals, transportation, chemicals, lithium batteries, photovoltaics, and pig farming [12][12]

Core Insights - The A-share market opened lower but experienced a strong upward trend in the afternoon, with all three major indices rising. The Shanghai Composite Index increased by 1.04%, the Shenzhen Component rose by 0.89%, and the ChiNext Index gained 0.23% [4][6][10] - The market turnover was approximately 2.45 trillion yuan, with 3,673 stocks rising across the market [6][10] - The top-performing sectors included oil and gas, electronics, and automobiles, while healthcare showed a slight decline [6][10] Market Performance - The Shanghai Composite Index rose by 1.04%, the Shenzhen Component by 0.89%, the ChiNext Index by 0.23%, the Shanghai 50 by 1.23%, the CSI 300 by 1.14%, the Sci-Tech 50 by 3.23%, and the CSI 1000 by 0.86% [6][10] - The leading sectors on August 20, 2025, were oil and gas (+2.34%), electronics (+2.21%), automobiles (+2.05%), and insurance (+1.89%), while healthcare (-0.02%) was the laggard [6][10] Market Drivers - The market's upward movement was driven by strong performance in the Sci-Tech 50 and sectors such as GPU, servers, and white liquor. The demand for AI infrastructure from domestic enterprises continues to grow, supported by high earnings certainty during the earnings season [6][10] - The State Council's emphasis on stabilizing the real estate market and stimulating consumption also contributed to the positive market sentiment [6][10] Future Outlook - The report maintains a bullish outlook on the Chinese stock market, expecting continued monetary and fiscal support. Historical experiences suggest that domestic policy initiatives can help the market withstand external risks and volatility [6][10] - Investment strategies should focus on non-bank sectors in a "slow bull" market, as well as sectors benefiting from improved supply-demand dynamics, such as metals, transportation, chemicals, lithium batteries, photovoltaics, and pig farming [6][10]