资金流向方面，主力资金净流入1442.95万元，特大单买入1461.30万元，占比7.34%，卖出1328.64万 元，占比6.67%；大单买入4689.75万元，占比23.56%，卖出3379.46万元，占比16.98%。 至纯科技今年以来股价涨18.52%，近5个交易日涨1.02%，近20日涨5.39%，近60日涨3.41%。 今年以来至纯科技已经7次登上龙虎榜，最近一次登上龙虎榜为10月15日，当日龙虎榜净买入-9341.60 万元；买入总计3.58亿元 ，占总成交额比7.92%；卖出总计4.51亿元 ，占总成交额比9.98%。 资料显示，上海至纯洁净系统科技股份有限公司位于上海市闵行区紫海路170号，成立日期2000年11月 13日，上市日期2017年1月13日，公司主营业务涉及半导体制程设备、工艺支持设备的研发和生产销售, 以及由此衍生的高纯工艺系统建设、电子材料、部件清洗及晶圆再生等服务。主营业务收入构成为：系 统集成72.70%，设备业务18.70%，电子材料8.29%，其他(补充)0.30%。 至纯科技所属申万行业为：电子-半导体-半导体设备。所属概念板块包括：中芯国际概念、大基金概 念、中盘 ...

资料显示，江苏雅克科技股份有限公司位于江苏省无锡宜兴经济开发区荆溪北路88号，成立日期1997年 10月29日，上市日期2010年5月25日，公司主营业务涉及研发、生产、销售电子材料、LNG保温绝热板 材和阻燃剂。主营业务收入构成为：半导体化学材料、光刻胶及配套试剂49.23%，LNG保温复合材料 27.13%，LNG工程安装7.91%，电子特种气体4.56%，LDS设备3.17%，阻燃剂3.15%，球形硅微粉 2.99%，其他业务1.88%。 雅克科技所属申万行业为：电子-半导体-半导体材料。所属概念板块包括：中盘、融资融券、存储概 念、MSCI中国、中芯国际概念等。 截至11月28日，雅克科技股东户数5.93万，较上期减少3.50%；人均流通股5367股，较上期增加3.63%。 2025年1月-9月，雅克科技实现营业收入64.67亿元，同比增长29.36%；归母净利润7.96亿元，同比增长 6.33%。 12月19日，雅克科技盘中下跌2.00%，截至13:43，报69.92元/股，成交7.20亿元，换手率3.18%，总市值 332.77亿元。 资金流向方面，主力资金净流出3001.64万元，特大单买入46 ...

12月19日，芯源微盘中上涨2.05%，截至10:03，报132.66元/股，成交1.31亿元，换手率0.50%，总市值 267.48亿元。 资金流向方面，主力资金净流入193.64万元，特大单买入924.91万元，占比7.07%，卖出839.08万元，占 比6.42%；大单买入2365.54万元，占比18.09%，卖出2257.72万元，占比17.26%。 芯源微所属申万行业为：电子-半导体-半导体设备。所属概念板块包括：先进封装、半导体设备、中芯 国际概念、OLED、LED等。 截至9月30日，芯源微股东户数1.60万，较上期增加15.37%；人均流通股12633股，较上期减少13.17%。 2025年1月-9月，芯源微实现营业收入9.90亿元，同比减少10.35%；归母净利润-1004.92万元，同比减少 109.34%。 分红方面，芯源微A股上市后累计派现1.39亿元。近三年，累计派现8689.45万元。 机构持仓方面，截止2025年9月30日，芯源微十大流通股东中，诺安成长混合A（320007）位居第四大 流通股东，持股476.29万股，相比上期减少39.97万股。嘉实上证科创板芯片ETF（5882 ...

12月19日，再升科技盘中上涨2.08%，截至09:53，报9.80元/股，成交9.23亿元，换手率9.33%，总市值 100.96亿元。 再升科技所属申万行业为：建筑材料-玻璃玻纤-玻纤制造。所属概念板块包括：商业航天（航天航 空）、大飞机、年度强势、中芯国际概念、核污染防治等。 截至10月31日，再升科技股东户数5.72万，较上期减少0.63%；人均流通股18006股，较上期增加 0.63%。2025年1月-9月，再升科技实现营业收入9.85亿元，同比减少10.11%；归母净利润8125.43万元， 同比减少10.59%。 分红方面，再升科技A股上市后累计派现7.05亿元。近三年，累计派现1.69亿元。 机构持仓方面，截止2025年9月30日，再升科技十大流通股东中，富国沪深300指数增强A/B（100038） 退出十大流通股东之列。 责任编辑：小浪快报 资金流向方面，主力资金净流出1112.21万元，特大单买入5843.86万元，占比6.33%，卖出7943.40万 元，占比8.61%；大单买入2.04亿元，占比22.08%，卖出1.94亿元，占比21.01%。 再升科技今年以来股价涨194.29%，近 ...

来源：新浪证券-红岸工作室 资金分析 12月16日，美埃科技涨0.31%，成交额1.27亿元，换手率1.79%，总市值70.98亿元。 异动分析 光刻机+中芯国际概念+PM2.5+芯片概念 1、公司上市保荐书：公司为上海微电子装备（集团）股份有限公司开发国内首台 28 纳米光刻设备工艺 制程所需的机台内国际最高洁净等级标准（ISO Class 1 级）洁净环境提供 EFU （超薄型设备端自带风 机过滤机组）及 ULPA（超高效过滤器）等产品，亦已验收合格，助力国内光刻机事业突破卡脖子技术 难题。此外，在海外市场，公司系Intel、 ST Microelectronics 等国际半导体厂商的合格供应商，为其提 供空气净化产品。公司在前述产品核心技术指标、客户信赖度等方面，可与国际品牌平行竞争，处于国 内品牌领先的地位。 2、据招股说明书：公司长期为中芯国际供应 FFU、高效/超高效过滤器、化学过滤器等产品，用于保障 中芯国际系的历代产品线（包括中芯国际最先进的 14nm和 28nm 制程）对空气洁净度的要求。 3、2023年10月24日互动易回复：公司的空气净化设备可高效去除PM2.5及细菌微生物、高效分解甲 ...

Group 1 - The core viewpoint of the news is that the semiconductor sector, particularly the SMIC concept, has shown positive performance with a 2.61% increase, ranking 7th among concept sectors [1][2] - Within the SMIC concept sector, 73 stocks experienced gains, with notable performers including AnTai Technology, HaoWei Group, and ShengMei Shanghai, which saw increases of 10.91%, 10.63%, and 7.98% respectively [1][2] - Conversely, stocks such as DuoFluoride, Tianhua New Energy, and Kaide Quartz faced declines, with decreases of 8.09%, 4.19%, and 3.49% respectively [1][2] Group 2 - The SMIC concept sector attracted a net inflow of 432 million yuan from main funds, with 40 stocks receiving net inflows, and 7 stocks exceeding 100 million yuan in net inflows [2][3] - AnTai Technology led the net inflow with 859 million yuan, followed by HaoWei Group, SMIC, and Nanda Optoelectronics with net inflows of 437 million yuan, 215 million yuan, and 192 million yuan respectively [2][3] - The net inflow ratios for leading stocks included AnTai Technology at 26.20%, BaiCheng Co. at 23.42%, and ShunNa Co. at 20.72% [3][4]

Core Viewpoint - The horse racing concept sector has experienced a decline of 2.93%, ranking among the top declines in concept sectors, with notable stocks such as *ST Zhengping hitting the daily limit down, and Xinhua Du, Hainan Rubber, and Zhujiang Piano also showing significant declines [1] Group 1: Sector Performance - The horse racing concept sector saw a net outflow of 163 million yuan from main funds today, with six stocks experiencing net outflows [2] - The top stock with net outflow is Xinhua Du, which had a net outflow of 105 million yuan, followed by Hainan Rubber, Zhongti Industry, and Zhongmu Shares with net outflows of 30.51 million yuan, 17.94 million yuan, and 3.37 million yuan respectively [2] Group 2: Individual Stock Performance - Xinhua Du's stock price decreased by 4.85% with a turnover rate of 16.72% and a main fund outflow of 104.65 million yuan [2] - Hainan Rubber's stock price fell by 2.76% with a turnover rate of 1.85% and a main fund outflow of 30.51 million yuan [2] - Zhongti Industry's stock price decreased by 1.37% with a turnover rate of 2.39% and a main fund outflow of 17.94 million yuan [2] - Zhongmu Shares' stock price declined by 1.39% with a turnover rate of 2.37% and a main fund outflow of 3.37 million yuan [2] - Zhujiang Piano's stock price fell by 2.27% with a turnover rate of 1.04% and a main fund outflow of 3.32 million yuan [2] - *ST Zhengping's stock price decreased by 4.96% with a turnover rate of 0.13% and a main fund outflow of 3.00 million yuan [2]

Core Viewpoint - The company, Demingli, is experiencing fluctuations in stock performance and is focusing on expanding its product offerings in the AI PC and storage chip markets, benefiting from the depreciation of the RMB and its recognition as a "specialized and innovative" enterprise. Group 1: Company Overview - Demingli specializes in the design and development of flash memory controller chips and storage module products, focusing on mobile storage markets with products including storage cards, disks, and solid-state drives [2][7]. - The company was established on November 20, 2008, and went public on July 1, 2022, with its main business revenue composition being embedded storage products (41.37%), solid-state drives (37.34%), mobile storage products (13.06%), and memory modules (8.22%) [7]. Group 2: Recent Developments - On June 28, 2024, Demingli launched a new series of DDR5 SO-DIMM and U-DIMM memory modules for AI PCs, featuring a single module capacity of up to 48GB and a theoretical bandwidth of 32GB/s, aimed at providing efficient and stable storage solutions for complex computing challenges [2]. - The company has also introduced VCSEL optical chips, which are primarily used in 5G mobile communications, ultra-high-speed optical networks, and AI applications [2]. Group 3: Financial Performance - As of November 28, 2025, Demingli reported an overseas revenue share of 69.74%, benefiting from the depreciation of the RMB [3]. - For the period from January to September 2025, the company achieved a revenue of 6.659 billion yuan, representing a year-on-year growth of 85.13%, while the net profit attributable to shareholders was a loss of 27.07 million yuan, a decrease of 106.42% year-on-year [8]. Group 4: Market Position and Shareholder Information - Demingli has been recognized as a "specialized and innovative" enterprise, which is a prestigious title for small and medium-sized enterprises in China, indicating strong innovation capabilities and high market share [2]. - As of November 28, 2025, the number of shareholders increased to 53,900, with an average of 2,984 circulating shares per person, a decrease of 3.78% from the previous period [8].

Core Viewpoint - The stock of Meai Technology (美埃科技) experienced a significant increase of 10.91%, with a trading volume of 225 million yuan and a market capitalization of 7.244 billion yuan, indicating strong investor interest in the company [1] Group 1: Company Overview - Meai Technology specializes in the research, development, production, and sales of air purification products and atmospheric environmental governance products, with its main products including fan filter units, filters, and air purification equipment [3] - The company was awarded the national-level "specialized, refined, and innovative" title at the end of 2021, establishing itself as a leading domestic enterprise in cleanroom equipment for the electronics semiconductor industry [3] - As of September 30, 2025, Meai Technology reported a revenue of 1.486 billion yuan, representing a year-on-year growth of 23.64%, while the net profit attributable to shareholders decreased by 5.17% to 141 million yuan [7][8] Group 2: Market Position and Products - Meai Technology has developed the first domestic 28nm lithography equipment and provides products that meet the highest international cleanliness standards (ISO Class 1) for cleanroom environments, positioning itself as a competitive player against international brands [2] - The company has long-term supply agreements with SMIC (中芯国际), providing essential air purification products that meet the cleanliness requirements for advanced semiconductor manufacturing processes [2] - The company's air purification devices are effective in removing PM2.5 and harmful gases, contributing to environmental health [3] Group 3: Financial and Stock Performance - The stock has shown a net inflow of -2.2477 million yuan today, with a lack of clear trends in major shareholder movements, indicating a mixed sentiment among investors [4][5] - The average trading cost of the stock is 47.77 yuan, with recent buying activity observed, although the strength of this accumulation is not strong [6] - The stock price is currently fluctuating between a resistance level of 56.22 yuan and a support level of 50.88 yuan, suggesting potential for short-term trading strategies [6]

Core Viewpoint - The company, Demingli, is focused on the design and development of flash memory control chips and storage module products, with a significant emphasis on the mobile storage market. The company has recently launched new memory modules targeting AI PCs, which are expected to enhance its market position in the growing AI sector [2][3]. Company Overview - Demingli Technology Co., Ltd. is located in Shenzhen, Guangdong Province, and was established on November 20, 2008. It was listed on July 1, 2022. The company's main business includes the design and development of flash memory control chips, application solutions for storage modules, and sales of storage module products [7]. - The revenue composition of Demingli's main business includes embedded storage products (41.37%), solid-state drives (37.34%), mobile storage products (13.06%), and memory modules (8.22%) [7]. Recent Developments - On June 28, 2024, Demingli launched a new series of DDR5 SO-DIMM and U-DIMM memory modules for AI PCs, with a single module capacity of up to 48GB and a theoretical bandwidth of 32GB/s, compatible with mainstream CPU platforms and operating systems [2]. - The company has VCSEL optical chip products primarily used in 5G mobile communications, ultra-high-speed optical networks, and AI applications [2]. Financial Performance - As of November 28, 2025, Demingli reported a revenue of 6.659 billion yuan, representing a year-on-year growth of 85.13%. However, the net profit attributable to the parent company was a loss of 27.07 million yuan, a decrease of 106.42% compared to the previous year [8]. - The company's overseas revenue accounted for 69.74% of total revenue, benefiting from the depreciation of the RMB [3]. Market Position - Demingli has been recognized as a "specialized and innovative" small giant enterprise, which is a prestigious title in China for companies that excel in niche markets, possess strong innovation capabilities, and maintain high market share [2]. - The company is part of various industry sectors, including electronic semiconductors and digital chip design, and is associated with concepts such as storage, integrated circuits, and AI PC [7].