证券研究报告 2025 年 8 月 22 日 星期五 【A 股市场大势研判】 市场全天高位震荡，三大指数涨跌不一 市场表现： | 指数名称 | 收盘点位 | 涨跌幅 | 涨跌 | 上证指数分时图 | | --- | --- | --- | --- | --- | | 上证指数 | 3771.10 | 0.13% | 4.89 | | | 深证成指 | 11919.76 | -0.06% | -6.98 | | | 沪深 300 | 4288.07 | 0.39% | 16.67 | | | 创业板 | 2595.47 | -0.47% | -12.19 | | | 科创 50 | 1149.15 | 0.09% | 1.00 | | | 北证 50 | 1589.40 | -1.60% | -25.77 | | 资料来源：东莞证券研究所，iFinD 数据 板块排名： | 申万一级涨幅前五 | | 申万一级跌幅靠前/ | | 热点板块 n | 涨幅前五 | 热点板块跌幅前五 | | | --- | --- | --- | --- | --- | --- | --- | --- | | | | 涨幅靠后 | | ...

Group 1 - The stock price of Guangxin Materials closed at 26.04 yuan on August 21, 2025, down 5.31% from the previous trading day [1] - The trading volume on that day was 164,658 lots, with a transaction amount of 435 million yuan [1] - Guangxin Materials is primarily engaged in the research, production, and sales of electronic chemicals, with applications in PCB and photoresist fields [1] Group 2 - The number of shareholders in Guangxin Materials has decreased for four consecutive periods, with 24,532 shareholders as of August 20, down 10.47% from August 10 [1] - In the first quarter, the company reported operating revenue of 107 million yuan, a year-on-year decrease of 8.58%, and a net profit of 9.76 million yuan, down 34.63% year-on-year [1] Group 3 - On August 21, the net outflow of main funds was 57.63 million yuan, accounting for 1.54% of the circulating market value [1] - Over the past five days, the cumulative net outflow of main funds reached 126.43 million yuan, representing 3.37% of the circulating market value [1]

截至2025年8月21日收盘，宝丽迪股价报32.92元，较前一交易日下跌0.68元，跌幅2.02%。当日成交量 为54916手，成交金额达1.82亿元。 资金流向数据显示，8月21日宝丽迪主力资金净流出1230.16万元，占流通市值的0.27%。近五个交易日 累计净流出3004.91万元，占流通市值的0.66%。 宝丽迪主要从事纤维母粒的研发、生产和销售，产品广泛应用于纺织服装等领域。公司所属行业为塑料 制品，同时涉及专精特新、光刻机等概念板块。 风险提示：市场有风险，投资需谨慎。 消息面上，宝丽迪于8月20日接待了国金证券等多家机构调研。在调研中，公司介绍了化纤色母粒行业 的竞争态势，指出中国已成为亚洲最大的色母粒生产国，但行业集中度较低，市场较为分散。 ...

Group 1: Liquor Industry Performance - The liquor stocks are experiencing a rebound, with JiuGuiJiu reaching a limit up of 10% [2] - Other notable performers include SheDe JiuYe up 7%, and ShuiJingFang, LaoBaiGan Jiu, YingJiaGong Jiu, and LuZhou LaoJiao also showing gains [2] - The overall trend indicates a positive sentiment in the liquor sector, as multiple stocks are following the upward movement [2][3] Group 2: Solar Equipment Sector Activity - The solar equipment sector is showing strong performance, with YaMaTon and HuaMin shares hitting the limit up of 10% and 9.49% respectively [4] - Other companies in this sector, such as AiNengJu and YiJing GuangDian, are also experiencing significant gains [4] - This indicates a robust interest and investment in the solar equipment market despite broader market fluctuations [4] Group 3: Market Overview - The A-share market opened lower, with the Shanghai Composite Index down 0.28%, Shenzhen Component Index down 0.61%, and ChiNext Index down 1.14% [5][6] - The overall market sentiment is bearish, with nearly 4,500 stocks declining across the Shanghai, Shenzhen, and Beijing markets [6] - The technology sector, particularly AI hardware, is facing notable declines, while the solar sector is performing well [5][6] Group 4: Currency and Monetary Policy - The People's Bank of China conducted a reverse repurchase operation of 616 billion yuan with a rate of 1.40%, resulting in a net injection of 497.5 billion yuan for the day [9] - The Chinese yuan depreciated against the US dollar by 25 basis points, with the central parity rate reported at 7.1384 [10]

Core Viewpoint - The article highlights the recent performance of various sectors in the stock market, particularly the rebound in liquor stocks and the active performance of the photovoltaic equipment sector, while also noting declines in technology indices and the overall market sentiment [3][5][7]. Group 1: Stock Market Performance - Liquor stocks are experiencing a significant rebound, with companies like JiuGuiJiu hitting the daily limit, and SheDeJiuYe rising by 7% [3]. - The photovoltaic equipment sector is also performing well, with stocks such as YaMaDun and HuaMin rising to their daily limits [5]. - The overall A-share market shows a negative trend, with the Shenzhen Component Index down by 0.61% and the ChiNext Index down by 1.14% [9]. Group 2: Market Indices - The three major indices opened lower, with the Shanghai Composite Index down by 0.28%, the Shenzhen Component Index down by 0.61%, and the ChiNext Index down by 1.14% [8]. - The Hang Seng Index opened down by 0.61%, with the Hang Seng Technology Index down by 0.75% [10]. Group 3: Monetary Policy - The central bank conducted a reverse repurchase operation of 616 billion yuan for 7 days at an interest rate of 1.40%, resulting in a net injection of 497.5 billion yuan for the day [11].

Group 1 - The three major stock indices opened lower, with the Shanghai Composite Index down 0.18%, the Shenzhen Component Index down 0.28%, and the ChiNext Index down 0.2% [1] - The computing power industry chain led the decline, with significant pullbacks in GPU and CPO sectors; artificial intelligence showed weakness [1] - The lithography machine and brain-computer interface themes were active [1]

Core Viewpoint - The A-share market experienced a collective decline on August 15, with the Shanghai Composite Index down by 0.18%, the Shenzhen Component Index down by 0.28%, and the ChiNext Index down by 0.2%. The computing power industry chain led the decline, particularly in the GPU and CPO sectors, while artificial intelligence showed weakness. However, sectors such as photolithography machines and brain-computer interface themes remained active [1]. Sector Performance Summary - Fentanyl sector increased by 0.59% with a net capital outflow of 2.449 million [2] - The food and egg relocation sector decreased by 1.50% with a net capital inflow of 5.794 million [2] - The science and technology innovation/new stock sector rose by 0.58% with a net capital inflow of 10.187 million [2] - The diversified finance sector fell by 1.03% with a net capital outflow of 16.70 million [2] - The supercapacitor sector increased by 0.57% with a net capital outflow of 4.412 million [2] - The precious metals sector decreased by 0.99% with a net capital outflow of 9.122 million [2] - The high-pressure oxygen chamber sector rose by 0.54% with a net capital inflow of 1.118 million [2] - The engineering machinery sector fell by 0.74% with a net capital inflow of 15.66 million [2] - The oil and gas extraction and service sector increased by 0.47% with a net capital inflow of 2.864 million [2] - The F5G concept sector decreased by 0.67% with a net capital outflow of 33.53 million [2] - The Foxconn concept sector rose by 0.35% with a net capital inflow of 4.458 million [2] - The urban rail transit equipment sector increased by 0.35% with a net capital inflow of 1.457 million [2] - The aquaculture sector rose by 0.34% with a net capital inflow of 1.588 million [2] - The tourism and hotel sector decreased by 0.63% with a net capital inflow of 1.607 million [2] - The Huawei mobile phone sector increased by 0.32% with a net capital outflow of 4.185 million [2] - The consumer electronics sector rose by 0.29% with a net capital inflow of 3.162 million [2] - The mobile payment sector decreased by 0.55% with a net capital outflow of 9.116 million [2]

Group 1 - The stock price of Strongly New Materials showed volatility on August 13, closing at 14.89 yuan, down 0.80% from the previous trading day [1] - The stock experienced a rapid rebound during the day, reaching a peak of 15.18 yuan at 9:38 AM, with an increase of over 2% within 5 minutes [1] - The total trading volume for the day was 10.39 billion yuan, with a turnover rate of 17.40% [1] Group 2 - Strongly New Materials specializes in the research, production, and sales of electronic chemicals, primarily used in the semiconductor and flat panel display sectors [1] - The company is part of the electronic chemicals sector and is also involved in semiconductor concepts and lithography machine-related businesses [1] Group 3 - On August 13, there was a net outflow of 47.01 million yuan in main funds, with a cumulative net outflow of 65.56 million yuan over the past five days [1] - The current total market capitalization of the company is 7.986 billion yuan, with a circulating market value of 5.936 billion yuan [1]

Core Viewpoint - The company, 美埃(中国)环境科技股份有限公司, is positioned as a leading player in the air purification and environmental governance sector, particularly in the semiconductor industry, with significant growth potential due to its technological advancements and market positioning [2][3]. Company Overview - 美埃科技 specializes in the research, production, and sales of air purification products and atmospheric environmental governance products, with a revenue composition of 88.04% from fan filter units and filter products [7]. - The company was established on June 21, 2001, and went public on November 18, 2022, with a current market capitalization of 6.72 billion [1][7]. Technological Advancements - The company has developed the first domestic 28nm lithography equipment and provides high-standard cleanroom environments, which are crucial for semiconductor manufacturing [2]. - It has been a long-term supplier to 中芯国际, providing essential air purification equipment that meets stringent cleanliness requirements for advanced semiconductor processes [3]. Financial Performance - For the first quarter of 2025, the company reported a revenue of 317 million, representing a year-on-year growth of 16.02%, and a net profit of 41.92 million, up by 18.45% [8][9]. - Cumulative cash dividends since the company's A-share listing amount to 80.64 million [9]. Market Position - 美埃科技 has been recognized as a national-level "specialized, refined, and innovative" small giant, indicating its leading position in the domestic semiconductor cleanroom equipment market [2]. - The company is also a qualified supplier for international semiconductor manufacturers such as Intel and ST Microelectronics, enhancing its competitive edge [2].

Market Overview - The A-share market experienced a strong upward trend, with the Shanghai Composite Index breaking the high point from October 8 of last year, reaching a nearly four-year high [1] - The total trading volume for the Shanghai and Shenzhen markets was 2.15 trillion, an increase of 269.4 billion compared to the previous trading day, marking a return to above 2 trillion after 114 trading days [1][6] - The market saw a broad increase, with over 2,700 stocks rising, indicating a generally positive sentiment among investors [1] Sector Performance - AI hardware stocks continued to surge, with companies like Industrial Fulian reaching historical highs [1] - The brokerage sector showed strong performance, with Guosheng Jin控 achieving two consecutive trading limit ups [1] - The non-ferrous metal sector also performed well, with Zijin Mining and Luoyang Molybdenum both hitting historical highs [1] - Other sectors that saw significant gains included non-ferrous metals, PEEK materials, CPO, and photolithography machines, while coal, banking, ports, and logistics sectors faced declines [2] Index Performance - At the close, the Shanghai Composite Index rose by 0.48%, the Shenzhen Component Index increased by 1.76%, and the ChiNext Index surged by 3.62% [3]