证券代码：002213 证券简称：大为股份 公告编号：2025-064 深圳市大为创新科技股份有限公司 关于股票交易异常波动的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有 虚假记载、误导性陈述或重大遗漏。 一、股票交易异常波动的情况介绍 深圳市大为创新科技股份有限公司（以下简称"公司"）股票（证券简称： 大为股份；证券代码：002213）于 2025 年 10 月 27 日、2025 年 10 月 28 日连续 2 个交易日收盘价格涨幅偏离值累计达到 20%。根据《深圳证券交易所交易规则》 的有关规定，属于股票交易异常波动情况。 二、公司关注及核实情况说明 针对公司股票异常波动，公司对有关事项进行了核查，并问询了公司管理层、 控股股东、实际控制人及其一致行动人，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媒体报道了可能或已经对本公司股票交易价格产生 较大影响的未公开重大信息。 3.公司近期生产经营情况正常，内外部经营环境未发生重大变化。 4.经向公司控股股东、实际控制人及其一致行动人核实： 公司控股股东、实际控制人及其一致行动人不存在 ...

Core Viewpoint - Dawi Co., Ltd. (002213.SZ) has experienced a three-day limit-up trading, with a turnover rate of 41.49% and a transaction volume of 2.393 billion yuan [1] Trading Activity - Institutional investors bought 139 million yuan and sold 43.98 million yuan, resulting in a net purchase of 95.44 million yuan [1] - Speculative funds, identified as "quantitative trading," ranked first and third in selling positions, with a net sell of 81.09 million yuan [1] - "Happy Coast" ranked second in selling positions, with a net sell of 32.44 million yuan [1] - The top trading seats collectively bought 384 million yuan and sold 249 million yuan, leading to a net purchase of 134 million yuan [1] Top Buying and Selling Departments - The top five buying departments accounted for 16.03% of total trading, with a total buying amount of 383.67 million yuan [1] - The top five selling departments accounted for 10.42% of total trading, with a total selling amount of 249.34 million yuan [1] - The net amount from the top five buying and selling departments was 134.32 million yuan [1]

Group 1 - The PCB concept is experiencing a significant upward trend, with multiple companies seeing their stock prices surge [1] - Companies such as Jingwang Electronics and Dongcai Technology have reached the daily limit increase in stock prices [1] - Other companies like Helitai, Honghe Technology, and Dawi Shares also previously hit the daily limit, indicating strong market interest [1] Group 2 - Additional companies such as Aisen Shares, Shengyi Electronics, Chujian New Materials, Oat Technology, and Founder Technology have also seen notable stock price increases [1]

Group 1 - The stock of Dawi Co. has experienced a significant increase, with four limit-up days within six trading days, resulting in a cumulative increase of 41.76% and a turnover rate of 96.26% [2] - As of 9:34 AM, the stock's trading volume reached 45.86 million shares, with a transaction amount of 1.27 billion yuan and a turnover rate of 22.20% [2] - The total market capitalization of the A-shares reached 6.68 billion yuan, while the circulating market capitalization was 5.81 billion yuan [2] Group 2 - According to the recently released Q3 report, Dawi Co. achieved an operating revenue of 879 million yuan in the first three quarters, representing a year-on-year growth of 9.90% [2] - The company reported a net profit of -7.53 million yuan, which is a year-on-year increase of 71.58% [2] - The basic earnings per share stood at -0.0318 yuan [2] Group 3 - The stock's daily performance over the past trading days shows fluctuations, with notable increases on October 21 (10.03%) and October 24 (9.98%), alongside varying turnover rates and net inflows of main funds [2] - The highest net inflow of main funds was recorded on October 24, amounting to 273.56 million yuan [2] - The stock experienced a decline on October 22 (-3.53%) and October 20 (-2.12%), indicating volatility in trading [2]

Market Overview - On October 27, the A-share market experienced a volatile rise, with the Shanghai Composite Index briefly surpassing 3999 points, setting a new annual high. The total trading volume in the Shanghai and Shenzhen markets reached 2.36 trillion yuan, an increase of 365 billion yuan compared to the previous trading day [1] Sector Performance - The storage chip sector showed strong performance, with multiple stocks hitting new highs, including Demingli and Jiangbolong. The computing hardware sector also maintained its strength, with Huylv Ecological achieving four consecutive trading limits. The nuclear power sector was active, with stocks like Dongguan Tantalum and Antai Technology seeing significant gains. Conversely, the wind power sector faced collective weakness, with Haili Wind Power experiencing a sharp decline [1] Storage Sector Insights - The storage sector saw explosive growth, with companies like Zhongdian Port and Dawi Shares hitting trading limits. The storage index rose by 5.23%, reaching 3742.86 points [2][3] - Analysts from Guojin Securities highlighted the increasing demand for high-performance storage chips driven by the explosion of AI applications, suggesting a focus on the storage industry chain that is experiencing sustained growth [4] Semiconductor Equipment Developments - The semiconductor equipment sector also showed strength, with the index rising by 3.32% to 7336.75 points. The establishment of China's first EUV photoresist standard is underway, which is expected to fill a technical standard gap in the field and provide a unified testing method for performance evaluation [5][6] - The development of this standard is anticipated to benefit the entire semiconductor industry chain, including upstream material suppliers, equipment manufacturers, midstream photoresist producers, and downstream application enterprises [6]

Core Viewpoint - The storage chip sector has shown strong performance at the beginning of trading, with several companies experiencing significant stock price increases [1] Group 1: Company Performance - Time Space Technology, Dawi Co., and Yingxin Development have reached the daily limit increase in stock prices [1] - Companies such as Purun Co., Weicai Technology, Nanda Optoelectronics, Tuojing Technology, and Demingli have also seen their stock prices rise [1]

Core Viewpoint - The market shows significant activity with 23 stocks having closing orders exceeding 100 million yuan, indicating strong investor interest and potential opportunities in various sectors, particularly in semiconductor and optical packaging industries [2][4]. Group 1: Stock Performance - The stock with the highest closing order is Yingxin Development, reaching 1.87 million hands, followed by Pingtan Development and Dahua Intelligent with 555,900 and 333,000 hands respectively [2]. - A total of 23 stocks had closing orders exceeding 100 million yuan, with seven stocks, including Yingxin Development and Zhaoyi Innovation, surpassing 200 million yuan in order amounts [2]. - Yingxin Development has achieved a six-day consecutive limit-up, while ST Zhongdi has recorded seven consecutive limit-ups [2]. Group 2: Semiconductor Sector - Companies in the semiconductor sector, such as Dawi Co. and Zhaoyi Innovation, have seen significant stock price increases, with Dawi Co. reporting a revenue of 794 million yuan in the first three quarters, a year-on-year increase of 28.68% [4]. - Zhaoyi Innovation, a leading domestic memory chip company, is expected to see a revenue contribution of around 15% by the end of 2025 due to increased production capacity [4]. - Time Space Technology plans to acquire 100% of Shenzhen Jiahe Jinyi Electronics, entering the semiconductor storage market [4]. Group 3: Optical Packaging Sector - The optical packaging sector has also seen stocks like Jingwang Electronics and Shengyi Technology reaching their limits, with Jingwang Electronics achieving significant technological breakthroughs in high-speed PCB products [5][6]. - Shengyi Technology offers a full range of high-speed copper-clad laminates to meet the demands of data centers and servers [5]. Group 4: Rare Earth Permanent Magnet Sector - Stocks in the rare earth permanent magnet sector, such as Wanlang Magnetic Plastic and Antai Technology, have also performed well, with Antai Technology's production capacity reaching 10,000 tons [7][8]. Group 5: Institutional Investment - Eight stocks on the Dragon and Tiger list saw net purchases exceeding 100 million yuan, with Hengbao Co. and Jingzhida leading with net purchases of 506 million yuan and 365 million yuan respectively [9].

Core Viewpoint - The stock market has seen significant activity with several stocks hitting the daily limit up, particularly in the semiconductor and storage chip sectors, indicating strong investor interest and potential growth opportunities in these areas [1][2]. Group 1: Stock Performance - The stock with the highest limit up order volume is Yingxin Development, reaching 1.87 million hands, followed by Pingtan Development with 555,900 hands [1]. - In terms of consecutive limit up days, ST Zhongdi achieved 7 consecutive days, while Yingxin Development and Shilong Industrial achieved 6 and 5 consecutive days, respectively [2]. - A total of 23 stocks had limit up order amounts exceeding 100 million yuan, with 7 stocks, including Yingxin Development and Zhaoyi Innovation, exceeding 200 million yuan [2]. Group 2: Company Developments - Yingxin Development is involved in multiple sectors, including cultural tourism and real estate, and has announced plans to acquire an 81.81% stake in Changxing Semiconductor, aiming to enter the storage chip market [2][4]. - Dawa Technology reported a 28.68% year-on-year revenue increase in its storage and smart terminal segment, with significant growth in product shipments [5]. - Time Space Technology plans to acquire 100% of Shenzhen Jiahe Jinyi Electronics, entering the semiconductor storage market [5]. Group 3: Industry Trends - The storage chip sector is highlighted by several stocks, including Dawa Technology, Zhongdian Port, and Time Space Technology, which are experiencing growth due to increased demand and strategic acquisitions [5]. - The optical packaging sector is also gaining traction, with companies like Jingwang Electronics and Shengyi Technology making advancements in high-speed PCB products for data centers and AI servers [6][7]. - The rare earth permanent magnet sector is represented by companies like Antai Technology and Xiamen Tungsten, which are expanding their production capacities to meet the demands of emerging industries such as electric vehicles and AI [8][9]. Group 4: Market Activity - Eight stocks on the龙虎榜 (Dragon Tiger List) recorded net purchases exceeding 100 million yuan, indicating strong institutional interest [10]. - Among these, Hengbao Co., Jingzhida, and Antai Technology had the highest net purchases, reflecting their attractiveness to investors [10].

Market Overview - On October 27, the A-share market experienced a volatile rise, with the Shanghai Composite Index briefly surpassing 3999 points, setting a new annual high. The total trading volume in the Shanghai and Shenzhen markets reached 2.36 trillion yuan, an increase of 365 billion yuan compared to the previous trading day [1] Sector Performance - The storage chip sector showed strong performance throughout the day, with stocks like Demingli (001309) hitting new highs for two consecutive days, and several other stocks such as Jiangbolong (301308) and Xiangnong Chichuang also reaching new highs. The computing hardware sector continued its strong trend, with Huylv Ecological (6 days, 4 boards) and other stocks like Xinyisheng (300502) and Zhongji Xuchuang (300308) also hitting historical highs [1] - The nuclear power sector was active, with stocks like Dongfang Tantalum (000962) achieving two boards in three days, while the wind power sector collectively weakened, with Hai Li Wind Power experiencing a significant drop [1] Storage Sector Insights - The storage index rose by 5.23%, with notable stocks such as Jiangbolong (301308) and Demingli (001309) showing significant monthly gains of 19.82% and 10.00%, respectively [2] - The recent price increases among overseas storage giants are driven by the explosion of AI applications, leading to a surge in demand for high-performance storage chips used in AI servers and data centers, which is pushing prices up across the storage market [3] Semiconductor Equipment Developments - The semiconductor equipment index increased by 3.32%, with several stocks experiencing notable gains. The establishment of China's first EUV photoresist standard is expected to fill a technical standard gap in the industry and provide a unified testing method for performance evaluation [4][5] - The advancements in photoresist technology are anticipated to promote the collaborative development of related industries, benefiting upstream material suppliers, equipment manufacturers, and downstream application enterprises [5] Market Outlook - Analysts remain optimistic about the A-share market's performance, citing a new wave of technological revolution and industrial transformation in China, which has produced many internationally competitive enterprises. The current risk levels in the A-share market are considered normal and reasonable [6] - The "slow bull" market is expected to continue, with a focus on the "big technology" sector as a long-term mainline. Upcoming earnings reports from A-share companies and US tech giants are anticipated to be a focal point, potentially creating a resonance window for the global tech AI market [6]

Market Overview - The A-share market experienced a volatile rise, with the Shanghai Composite Index briefly surpassing 3999 points, reaching a new high for the year. The total trading volume in the Shanghai and Shenzhen markets was 2.36 trillion yuan, an increase of 365 billion yuan compared to the previous trading day [1]. Index Performance - The Shanghai Composite Index closed at 3996.94, up 46.63 points or 1.18% - The Shenzhen Component Index rose by 200.22 points or 1.51%, closing at 13489.40 - The ChiNext Index increased by 21.98 points or 1.50%, closing at 1484.21 - The CSI 300 Index gained 55.34 points or 1.19%, closing at 4716.02 [2]. Sector Performance - The storage chip sector showed strong performance, with multiple stocks hitting new highs, including Demingli and Jiangbolong. The computing hardware sector also maintained its strength, with Huylv Ecological and others achieving significant gains [3][4]. - The nuclear power sector was active, with stocks like Dongguan Tantalum and Antai Technology seeing notable increases [3]. - Conversely, the wind power sector faced collective weakness, with Haile Wind Power experiencing a significant drop [4]. Storage Industry Insights - The storage sector is experiencing a surge, driven by rising prices from overseas storage giants due to increased demand for high-performance storage chips related to AI applications. This trend is expected to benefit various segments of the storage industry, including storage modules and supporting materials [8]. - The storage index rose by 5.23%, reflecting the overall positive sentiment in the sector [7]. Semiconductor Equipment Developments - The semiconductor equipment sector is also witnessing growth, with multiple stocks showing significant increases. The establishment of the first EUV photoresist standard in China is expected to fill a technological gap and promote the development of the semiconductor industry [12][13]. - The semiconductor materials sector is in a phase of demand expansion and domestic substitution, with expectations for the photoresist market to grow by 6.8% to 17.9 billion yuan by 2025 [13]. Market Outlook - Analysts remain optimistic about the A-share market, citing a favorable risk level and the emergence of competitive enterprises in the context of a new technological revolution. The current low interest rates and supportive government policies are also seen as positive factors for market growth [15][16]. - The "slow bull" market trend is expected to continue, with a focus on the technology sector as a long-term investment theme [16].