证券研究报告 | 策略点评 2026 年 02 月 26 日 投资要点 分析师：孟之绪 执业编号：S0300524080001 电话： 邮箱：mengzhixu@ykzq.com 投资策略研究 粤开市场日报-20260226 今日关注 指数涨跌情况：今日 A 股主要指数涨跌不一。截止收盘，沪指微跌 0.01%，收 报 4146.63 点；深证成指涨 0.19%，收报 14503.79 点；创业板指跌 0.29%， 收报 3344.98 点；科创 50 指数涨 0.85%，收报 1485.86 点。总体上，全天个 股涨跌互现，Wind 数据显示，全市场 2481 只个股上涨，2866 只个股下跌， 130 只个股收平。沪深两市今日成交额合计 25384 亿元，较上个交易日放量 759 亿元。 行业涨跌情况：今日申万一级行业涨少跌多，通信、电子、国防军工、机械 设备、钢铁等行业领涨，涨幅分别为 2.84%、1.98%、1.52%、1.41%、1.33%， 房地产、传媒、非银金融、商贸零售、食品饮料等行业领跌，跌幅分别为 2.25%、 1.45%、1.42%、1.22%、1.20%。 概念板块涨跌情况：今日涨幅居前 ...

Group 1 - The phosphorus chemical sector remains active, with companies like Chengxing Co., Hebang Bio, Liuguo Chemical, Chuanjin Nuo, Yuntianhua, and Chuanfa Longmang experiencing gains [1] - On February 18, Trump signed an executive order designating elemental phosphorus and glyphosate as critical defense materials, indicating that supply disruptions could threaten U.S. defense and food security [1] - The White House has instructed the Department of Agriculture and the Department of Defense to develop measures to ensure stable domestic supply of these materials [1] Group 2 - The A-share market opened with slight gains across major indices, with the Shanghai Composite Index up 0.15%, Shenzhen Component Index up 0.21%, and the ChiNext Index up 0.15% [2][3] - The Hong Kong stock market also opened higher, with the Hang Seng Index rising 0.58% and the Hang Seng Tech Index increasing by 0.86%, driven by gains in companies like Haidilao and XPeng Motors [4][5]

盘面上，油气、海运、化工、有色金属板块再度走强，超导、PEEK材料、高速铜连接概念股活跃。 盘面上，油气、海运、化工、有色金属板块再度走强，超导、PEEK材料、高速铜连接概念股活跃。超硬材料、存储器、光伏、AI应用、宇树机 器人、离境退税题材走弱。 09:21 港股开盘丨恒生指数高开0.58% 恒生指数高开0.58%，恒生科技指数涨0.86%。海底捞、中国宏桥、小鹏汽车、金蝶国际、携程集团涨逾2%。 | Hટા | 恒生指数 | May 5 | 26745.20c | 154.88 | 0.58% | | --- | --- | --- | --- | --- | --- | | HSTECH 恒生科技 | | hurr | 5316.09c | 45.39 | 0.86% | 09:20 现货白银站上88美元/盎司，日内涨1%。 09:26 磷化工板块延续活跃，澄星股份2连板，和邦生物、六国化工、川金诺、云天化、川发龙蟒跟涨。消息面上，2月18日，特朗普签署行政 令，将元素磷及草甘膦等关键除草剂纳入国防关键物资。白宫认定其供应中断将直接威胁美国国防工业与粮食安全，指示农业部与国防部制定 配套措施，保障两类物 ...

Group 1 - The Shanghai Composite Index rose by 1.14%, breaking the previous high from November 14, 2025, and reaching a new ten-year high [1] - The Shenzhen Component Index increased by 0.81%, while the ChiNext Index fell by 0.04% [1] - The Sci-Tech Innovation Board Index gained 1.05%, indicating positive momentum in the tech sector [1] Group 2 - Brokerage and insurance sectors showed the highest gains, reflecting strong investor confidence [1] - Stocks related to trading software, energy metals, semiconductors, brain-computer interfaces, commercial aerospace, and intelligent driving concepts experienced significant strength [1] - Adjustments were noted in computing hardware sectors such as CPO and high-speed copper connections [1]

Market Overview - The A-share market showed a general upward trend today, with the Shanghai Composite Index rising by 1.19% to close at 3870.28 points, the Shenzhen Component Index increasing by 2.4% to 13224.51 points, the ChiNext Index up by 3.39% to 3175.91 points, and the STAR 50 Index gaining 2.47% to 1325.33 points [1] - Overall, 3623 stocks rose while 1634 stocks fell, with 198 stocks remaining flat. The total trading volume in the Shanghai and Shenzhen markets reached 181.11 billion yuan, an increase of 87 billion yuan compared to the previous trading day [1] Industry Performance - Among the Shenwan first-level industries, the leading sectors included telecommunications, non-ferrous metals, electronics, basic chemicals, and power equipment, with respective gains of 5.07%, 3.03%, 2.48%, 2.15%, and 2.09%. The only sectors that experienced declines were agriculture, forestry, animal husbandry, and fishery, national defense and military industry, and coal, with losses of 0.54%, 0.20%, and 0.11% respectively [1] Concept Sector Performance - The top-performing concept sectors today included optical modules (CPO), lithium mining, lithium battery electrolytes, optical communication, liquid cooling servers, optical chips, lithium extraction from salt lakes, selected rare metals, copper-clad laminates, copper industry, high-speed copper connections, selected industrial metals, stock trading software, and circuit boards. In contrast, sectors such as Hainan Free Trade Port, cross-strait integration, satellite internet, commercial aerospace, and satellite navigation experienced pullbacks [2]

Market Overview - The A-share market saw most indices decline today, with the Shanghai Composite Index down by 0.37% closing at 3909.52 points, and the Shenzhen Component Index down by 0.39% at 13277.36 points. The ChiNext Index, however, increased by 0.61% to close at 3209.60 points. Overall, there were 1305 stocks that rose while 4057 stocks fell, with a total trading volume of 19040 billion yuan, a decrease of 1327 billion yuan from the previous trading day [1][10]. Industry Performance - Among the Shenwan first-level industries, the sectors that performed well included comprehensive, communication, and electronics, with increases of 3.45%, 2.23%, and 0.78% respectively. Conversely, industries such as non-ferrous metals, steel, real estate, and coal experienced declines, with decreases of 3.03%, 2.47%, 2.10%, and 1.62% respectively [1][10]. Concept Sector Performance - The concept sectors that saw the highest gains today included copper-clad laminates, optical modules (CPO), cultivated diamonds, circuit boards, high transfer, superhard materials, dairy industry, NVIDIA supply chain, high-speed copper connections, silicon energy sources, initial public offerings, consumer electronics OEM, ice and snow tourism, lithography machines, and Moore Threads [2].

Core Viewpoint - The High-Speed Copper Connection Index experienced a rise of over 2% during intraday trading on December 9, indicating positive market sentiment in the copper connection sector [1] Company Performance - Baoshen Co., Ltd. reached the daily limit up, reflecting strong investor interest and confidence in the company's performance [1] - Shaanxi Huada also hit the daily limit up, suggesting robust market activity and potential growth prospects [1] - Zhishang Technology saw an increase of 7.94%, indicating a positive trend in its stock performance [1] - Yidong Electronics experienced a rise of 4.04%, showcasing investor optimism in the company's future [1] - Ruikeda's stock increased by 3.78%, further highlighting the overall positive movement in the sector [1]

Core Viewpoint - The High-Speed Copper Connection Index experienced a decline of 2% during intraday trading, with most constituent stocks showing a downward trend [1] Company Performance - Changxin Bochuang saw a significant drop of 9.03% [1] - Changfei Optical Fiber decreased by 7.15% [1] - Ruikeda fell by 6.81% [1] - Dingtong Technology declined by 4.45% [1] - Luxshare Precision dropped by 4.22% [1]

Group 1 - The "Opinions on Promoting High-Quality Urban Development" released by the Central Committee of the Communist Party of China and the State Council outlines goals for urban modernization by 2030 and 2035, focusing on policy improvement, quality of life, green transformation, and cultural enhancement [2] - The "2025 China Top 500 Private Enterprises" list published by the All-China Federation of Industry and Commerce shows that JD Group, Alibaba (China) Co., Ltd., and Hengli Group Co., Ltd. ranked in the top three, with a revenue threshold of 27.023 billion yuan and a total revenue of 4.305 trillion yuan [2] Group 2 - The Ministry of Commerce's delegation, led by Li Chenggang, aims to strengthen China-Canada economic relations through the 28th China-Canada Economic and Trade Joint Committee [3] - The Ministry of Commerce announced increased support for foreign trade enterprises, including financial assistance and enhanced insurance products for export companies [3] - The State Administration for Market Regulation held a meeting to address market competition order and prevent irrational competition [3] Group 3 - A-shares experienced a "V-shaped" rebound, with the Shanghai Composite Index rising by 1.14% to 3843.6 points, and the total market turnover reaching 3 trillion yuan [4] - The Hong Kong Hang Seng Index closed down 0.81%, with significant selling pressure on tech stocks, while the semiconductor industry saw gains [4] - Mergers and acquisitions in the A-share market surged in the first half of 2025, with 1,113 transactions totaling 509.214 billion yuan, a 62.75% increase year-on-year [5] Group 4 - Li Auto reported Q2 2025 revenue of 30.2 billion yuan, a 16.7% increase from Q1, with a net profit of 1.1 billion yuan, marking a 69.6% growth [5] - The report indicates that major fund managers have adjusted their portfolios, with notable increases in holdings of companies like Xinluo and Juhua [5] Group 5 - The National Bureau of Statistics announced plans for data industry clusters and policies to boost the digital economy, predicting a digital economy value of approximately 49 trillion yuan by the end of the year [8] - The China Logistics and Purchasing Federation reported a 5.2% year-on-year increase in total social logistics from January to July, driven by demand in high-end manufacturing and green sectors [8] Group 6 - The European Automobile Manufacturers Association reported a 5.9% increase in new car sales in Europe in July, with Tesla's market share declining for the seventh consecutive month [9] - The market share of BYD increased significantly, capturing 1.2% of the market with a 225.3% rise in sales [9] Group 7 - Guotai Junan International launched cryptocurrency trading services in Hong Kong, allowing clients to trade various cryptocurrencies [10] - Didi Chuxing reported a core platform transaction volume of 109.6 billion yuan in Q2 2025, reflecting a 15.9% year-on-year growth [16]

Core Viewpoint - The AI hardware sector is experiencing a rebound, with significant gains in CPO and high-speed copper connection concepts, indicating a positive market trend for related companies [1] Investment Performance - As of August 4, 2025, the TaiKang Semiconductor Quantitative Stock Fund A (020476) has achieved a return of 55.60% since its inception in May 2024, with a one-year return of 49.17% and an annualized return of 42.68% [1] - The fund's top ten holdings include major players such as SMIC, Cambricon, North Huachuang, Lattice Semiconductor, and others, reflecting a strong focus on the semiconductor and AI sectors [1] Market Outlook - CITIC Securities forecasts a new cycle of innovation in H2 2025, emphasizing the acceleration of AI applications and computing power, which is expected to drive industry growth [1] - Two main investment directions are highlighted: 1. AI Industry Chain: Focus on opportunities in AI applications and computing power sectors 2. Structural Innovation: Attention to sectors like trusted computing, fintech innovation, and specialized IT [1] - The TaiKang Semiconductor Quantitative Stock Fund A is strategically positioned to capitalize on the growth of the AI industry chain, sharing the benefits of industry development [1]