盘后数据显示，7月30日龙虎榜中，共41只个股出现了机构的身影，21只股票呈现机构净买入，20只股 票呈现机构净卖出。当天机构净买入前三的股票分别是长飞光纤、西藏天路、英维克，净买入金额分别 是1.79亿元、1.26亿元、8437万元。当天机构净卖出前三的股票分别是上纬新材、鹏鼎控股、北方长 龙，净流出金额分别是7.83亿元、1.97亿元、1.15亿元。（第一财经） ...

Group 1 - The top three stocks with net institutional purchases on July 30 were Changfei Fiber, Tibet Tianlu, and Yingweik, with net purchases of 1.79 billion yuan, 1.26 billion yuan, and 843.7 million yuan respectively [1][2] - On the same day, a total of 41 stocks appeared on the Dragon and Tiger list, with 21 stocks showing net institutional purchases and 20 stocks showing net institutional sales [1][2] - The top three stocks with net institutional sales were Shangwei New Materials, Pengding Holdings, and Beifang Changlong, with net outflows of 7.83 billion yuan, 1.97 billion yuan, and 1.15 billion yuan respectively [1][4] Group 2 - Changfei Fiber had a price increase of 10.00%, while Tibet Tianlu and Yingweik saw increases of 3.95% and 9.99% respectively [2] - Other notable stocks with significant net institutional purchases included Dongxin Co. with a 17.33% increase and Shanhua Intelligent with a 3.08% increase [2] - Stocks with significant net institutional sales included Xining Special Steel with a 9.95% increase and Zhongtung High-tech with a 10.00% decrease [4]

证券代码：002938 证券简称：鹏鼎控股 公告编号：2025-047 鹏鼎控股（深圳）股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 一、股票交易异常波动情况介绍 鹏鼎控股（深圳）股份有限公司（以下简称"公司"）股票于 2025 年 7 月 28 日、2025 年 7 月 29 日、2025 年 7 月 30 日连续 3 个交易日收盘价格涨幅偏离值 累计达 20.62%，根据《深圳证券交易所交易规则》的相关规定，属于股票交易异 常波动。 二、公司关注、核实情况 针对公司股票异常波动的情况，公司对有关事项进行了核查，现将有关情况 说明如下： 1.公司前期披露的信息不存在需要更正、补充之处； 2.公司未发现近期公共传媒报道了可能或已经对公司股票交易价格产生较 大影响的未公开重大信息； 3.公司近期经营情况正常，内外部经营环境未发生重大变化； 1 本公司董事会确认，本公司目前没有任何根据深交所《股票上市规则》等有 关规定应予以披露而未披露的事项或与该事项有关的筹划、商谈、意向、协议等； 董事会也未获悉本公司有根据深交所《股票上市 ...

Core Viewpoint - The company, Pengding Holdings (002938), experienced a significant stock price fluctuation, with a cumulative increase of 20.62% over three consecutive trading days from July 28 to July 30, 2025, indicating abnormal trading activity [1] Summary by Relevant Sections - **Stock Price Movement** - The stock price of Pengding Holdings showed a cumulative increase of 20.62% over three consecutive trading days [1] - **Company's Response** - The company confirmed that there are no corrections or supplements needed for previously disclosed information and has not identified any significant undisclosed information that could impact stock trading [1] - **Operational Status** - The company's recent operational conditions are reported as normal, with no significant changes in the internal or external business environment [1]

Core Viewpoint - Pengding Holdings (002938) announced on July 30 that its recent operational situation is normal, with no significant changes in the internal and external operating environment [1] Group 1 - The company conducted a self-examination and inquiry, confirming that there are no undisclosed significant matters related to the company [1] - The company, its controlling shareholders, and their concerted actions do not have any major matters under planning [1]

鹏鼎控股：目前经营情况正常 不存在应披露而未披露的重大事项 智通财经7月30日电，鹏鼎控股(002938.SZ)公告称，公司股票于2025年7月28日至30日连续3个交易日收 盘价格涨幅偏离值累计达20.62%，属于股票交易异常波动。经核实，公司前期披露的信息无需要更正 或补充，近期经营情况正常，内外部经营环境未发生重大变化。公司、控股股东及其一致行动人不存在 应披露而未披露的重大事项，也无处于筹划阶段的重大事项。在股票异常波动期间，公司控股股东及其 一致行动人未买卖公司股票。 ...

证券日报网讯胜蓝股份（300843）7月30日在互动平台回答投资者提问时表示，公司与鹏鼎控股 （002938）没有合作关系。 ...

Core Viewpoint - The PCB market is experiencing a structural transformation driven by the demand for high-end products, particularly in AI-related applications, leading to a significant increase in both demand and prices for high-end PCBs [1][3][4]. Group 1: Market Conditions - The current PCB market is characterized by a shortage of high-end products and pressure on low-end products, with overall market conditions improving compared to last year [1][2]. - Many PCB companies have reported positive earnings forecasts for the first half of the year, with some companies experiencing significant growth, such as a 3.7 times increase in net profit for certain firms [2][3]. - The demand for high-end PCBs is being driven by the rapid growth of AI server hardware, which requires advanced PCB technologies [3][9]. Group 2: Company Performance - Major companies like Pengding Holdings and Huadian Electronics are seeing substantial increases in net profits, with expected growth rates exceeding 40% year-on-year [3][6]. - Companies involved in the production of electronic-grade fiberglass and copper-clad laminates are also reporting significant increases in sales and profitability due to rising demand [2][6]. - The overall order saturation for PCB manufacturers is reported to be over 90%, indicating strong market demand [6][7]. Group 3: Future Projections - The global PCB market is projected to grow significantly, with estimates suggesting a market value of $78.6 billion by 2025, driven by advancements in AI and high-performance computing [4][8]. - The demand for high-layer and high-density interconnect (HDI) boards is expected to grow at rates of 14.2% and 18.5%, respectively, indicating a shift towards more complex PCB designs [8][10]. - The industry is likely to face challenges related to potential overcapacity as more companies announce expansion plans to meet the surging demand for high-end PCBs [10][12]. Group 4: Technological Advancements - The shift towards high-end PCBs is accompanied by increased technical barriers, with only a few manufacturers capable of producing advanced PCBs that meet the requirements of AI servers and high-speed data transmission [9][11]. - Companies are investing heavily in new technologies and production capabilities to meet the evolving demands of the market, including investments in low-loss materials and advanced manufacturing processes [5][10]. - The regulatory environment is also pushing companies to focus on high-quality production and green manufacturing practices, further raising the competitive bar in the industry [11][12].

Investment Rating - The industry investment rating is "Overweight" indicating an expectation for the industry to outperform the overall market [13]. Core Insights - The demand for AI PCBs is driving a tight supply situation, leading to an acceleration in capacity expansion among downstream PCB manufacturers, which is positively impacting the upstream PCB equipment sector [3][4]. - Significant capital expenditure from overseas AI giants is sustaining high demand for high-end AI server PCBs, prompting downstream manufacturers to actively expand production [3][4]. - The current expansion cycle is expected to result in a notable increase in equipment order volumes and an upgrade in high-end PCB production lines, which will enhance the average selling price (ASP) of equipment [3][4]. Summary by Sections Industry Expansion - The PCB industry is entering a period of intensive capacity expansion, with several PCB manufacturers announcing new projects, including notable expansions by companies such as Huadian and Shenghong [4][10]. - Capital expenditures are increasing, with Pengding Holdings indicating a capital expenditure of 5 billion yuan in 2025, a year-on-year increase of 51.5% [4]. Supply Chain Dynamics - Some upstream PCB equipment suppliers are experiencing supply tightness due to the rapid growth in global AI computing demand, which is accelerating the technological upgrades and capacity expansions of high-layer PCBs and high-end HDI boards [5]. - Chip equipment manufacturers like Xinqi Microelectronics are reporting full capacity operations and optimistic business prospects, with order delivery schedules extending into the third quarter of 2025 [5]. Technological Upgrades - AI's requirements for PCB performance are driving upgrades in related equipment, necessitating advancements in layers, materials, and manufacturing processes [6]. - The complexity of structures in high-layer HDI boards is increasing, which is pushing equipment manufacturers to enhance their technology and precision [7]. Beneficiary Companies - Recommended beneficiaries in the PCB equipment market include Xinqi Microelectronics for exposure equipment, Dazhu CNC for drilling and testing equipment, Dongwei Technology for plating equipment, and Dingtai Gaoke for drilling needles [8][10].

Group 1 - The A-share PCB concept stocks remain active, with notable increases in companies such as Pengding Holdings, Dongshan Precision, and Xingsen Technology, reflecting strong market interest [1] - AI-PCB is experiencing a demand resonance, with multiple AI-PCB companies reporting strong orders and full production capacity, leading to significant growth in Q3 performance [1] - Huidian Co. has released an optimistic Q2 earnings forecast, expecting a net profit of 0.89 to 0.99 billion yuan, representing a year-on-year growth of 42% to 58%, driven by structural demand from emerging computing scenarios like AI [1] Group 2 - The 5G Communication ETF (515050) tracks the CSI 5G Communication Theme Index, with a current scale exceeding 7 billion yuan, focusing on key players in the Nvidia, Apple, and Huawei supply chains [2] - AI computing concept stocks account for over 30% of the ETF's weight, while optical module CPO concept stocks represent 26.55%, and PCB circuit board concept stocks make up 13.49% [2]