| 买/ 卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 深股通专用 | 14413.69 | 12454.44 | | 买二 | 中信证券股份有限公司上海徐汇区漕溪北路证券营业 部 | 7137.09 | 78.63 | | 买三 | 机构专用 | 5669.71 | 1872.94 | | 买四 | 开源证券股份有限公司西安西大街证券营业部 | 5168.35 | 13.02 | | 买五 | 兴业证券股份有限公司厦门湖里大道证券营业部 | 5037.96 | 270.48 | | 卖一 | 深股通专用 | 14413.69 | 12454.44 | | 卖二 | 光大证券股份有限公司杭州延安路证券营业部 | 7.35 | 6659.68 | | 卖三 | 广发证券股份有限公司龙岩市龙岩大道证券营业部 | 0.57 | 2693.59 | | 卖四 | 东方财富证券股份有限公司拉萨团结路第二证券营业 | 1050.99 | 2650.90 | | | 部 | | | | 卖五 | 东方财富证券股份有限公司拉萨团结路第 ...

证券代码：300331 证券简称：苏大维格 公告编号：2025-053 二、会议审议情况 会议以记名投票表决方式审议通过了《关于使用暂时闲置募集资金进行现 金管理的议案》 同意公司及公司全资子公司苏州维旺科技有限公司之全资子公司盐城维旺 科技有限公司在确保不影响募集资金投资项目建设及正常经营，并有效控制风 险的前提下，结合公司及子公司实际经营情况，使用额度不超过人民币 4.9 亿 元的暂时闲置募集资金购买投资期限不超过 12 个月的安全性高、流动性好、有 保本约定的产品（包括但不限于协定性存款、结构性存款、定期存款、通知存 款、大额存单等）。现金管理产品不得进行质押。在上述额度范围内，资金可以 滚动使用，期限自公司董事会审议通过后 12 个月内有效（即 2025 年 9 月 6 日 至 2026 年 9 月 5 日）。保荐机构东吴证券股份有限公司对该事项出具了无异议 的核查意见，详见中国证监会指定的创业板信息披露网站。 包含 2025 年 3 月 26 日召开的第六届董事会第五次会议及 2025 年 4 月 11 日召开的 2025 年第一次临时股东大会审议通过的以自有资金进行现金管理的额 度，目前公司计划的 ...

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。 苏州苏大维格科技集团股份有限公司（以下简称"公司"）于 2025 年 8 月 11 日在巨潮资讯网披露了《关于持股 5%以上股东减持计划的预披露公告》（公告 编号：2025-047），持有本公司股份 21,272,004 股（占本公司总股本比例 8.19%） 的持股 5%以上股东虞樟星先生计划自减持计划公告披露之日起 15 个交易日后的 3 个月内以集中竞价交易方式减持本公司股份合计不超过 2,577,160 股（占公司 总股本的 0.99%，剔除回购专户股份数后占公司总股本比例为 1.00%）。 证券代码：300331 证券简称：苏大维格 公告编号：2025-055 苏州苏大维格科技集团股份有限公司 关于持股 5%以上股东权益变动触及 1%整数倍的公告 二、其他有关说明 1、虞樟星先生本次减持符合《公司法》《证券法》《上市公司收购管理办法》 《深圳证券交易所创业板股票上市规则》《深圳证券交易所上市公司自律监管指 引第 2 号——创业板上市公司规范运作》《上市公司股东减持股份管理暂行办法》 《深圳证券交易所上市公 ...

东吴证券股份有限公司 关于苏州苏大维格科技集团股份有限公司 使用暂时闲置募集资金进行现金管理的核查意见 东吴证券股份有限公司（以下简称"东吴证券"或"保荐机构"）作为苏州 苏大维格科技集团股份有限公司（以下简称"公司"或"苏大维格"）向特定对 象发行股票（以下简称"本次发行"）的保荐机构，根据《证券发行上市保荐业 务管理办法》《上市公司募集资金监管规则》《深圳证券交易所创业板股票上市规 则》《深圳证券交易所上市公司自律监管指引第 2 号——创业板上市公司规范运 作》等相关法规和规范性文件的规定，对苏州苏大维格科技集团股份有限公司使 用暂时闲置募集资金进行现金管理进行了审慎核查，并发表意见如下： 一、募集资金基本情况 经中国证券监督管理委员会《关于同意苏州苏大维格科技集团股份有限公司 向特定对象发行股票注册的批复》（证监许可[2021]891 号）核准，公司向 9 名 特定对象发行了 33,613,445 股人民币普通股（A 股），发行价格为 23.80 元/股， 募集资金总额为 799,999,991.00 元，扣除各项发行费用 17,737,371.18 元（不 含税）后，募集资金净额为人民币 782,26 ...

证券代码：300331 证券简称：苏大维格 公告编号：2025-054 苏州苏大维格科技集团股份有限公司 关于使用暂时闲置募集资金进行现金管理的公告 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。 苏州苏大维格科技集团股份有限公司（以下简称"公司"或"苏大维格"） 于 2025 年 9 月 5 日召开第六届董事会第十一次会议，审议通过了《关于使用暂 时闲置募集资金进行现金管理的议案》，公司及全资子公司苏州维旺科技有限公 司（以下简称"维旺科技"）之全资子公司盐城维旺科技有限公司（以下简称"盐 城维旺"）拟使用最高额度不超过人民币 4.9 亿元的闲置募集资金进行现金管理， 在上述额度范围内，资金可以滚动使用，期限自公司董事会审议通过后 12 个月 内有效（即 2025 年 9 月 6 日至 2026 年 9 月 5 日）。 并根据相关规定签署了募集资金专户存储三方、四方监管协议。 二、募集资金使用情况 截至 2025 年 6 月 30 日，公司募集资金专户余额为 6,046.28 万元，使用暂 时闲置募集资金进行现金管理尚未到期的资金余额为 26,900.00 ...

Market Overview - The Shanghai Composite Index closed at 3792.17 points, below the five-day moving average, with a change of 0.70% [1] - The total trading volume of A-shares reached 1,780.853 billion yuan [1] Stocks Breaking the Five-Day Moving Average - A total of 1,255 A-shares have prices that broke above the five-day moving average [1] - Notable stocks with significant deviation rates include: - Tianhua New Energy (300390) with a deviation rate of 15.15% and a daily increase of 20.01% [1] - Tianyue Advanced (688234) with a deviation rate of 13.67% and a daily increase of 20.00% [1] - Su Da Weige (300331) with a deviation rate of 11.96% and a daily increase of 19.99% [1] Detailed Stock Performance - The following stocks showed notable performance: - Tianhua New Energy (300390): Latest price 23.81 yuan, five-day moving average 20.68 yuan [1] - Tianyue Advanced (688234): Latest price 77.28 yuan, five-day moving average 67.99 yuan [1] - Su Da Weige (300331): Latest price 33.67 yuan, five-day moving average 30.07 yuan [1] - Other stocks with significant performance include: - Nacono (832522) with a daily increase of 19.57% and a deviation rate of 11.95% [1] - New Fengguang (688663) with a daily increase of 15.98% and a deviation rate of 11.94% [1]

Group 1 - The Shanghai Composite Index closed at 3778.95 points, below the five-day moving average, with a change of 0.35% [1] - The total trading volume of A-shares reached 1,395.971 billion yuan [1] - A total of 906 A-shares have prices that surpassed the five-day moving average, with notable stocks showing significant deviation rates [1] Group 2 - The top three stocks with the highest deviation rates from the five-day moving average are Su Da Wei Ge (11.96%), Mei Chang Co. (10.64%), and Jin Yin He (10.31%) [2] - Other stocks that have just crossed the five-day moving average include Ou Pai Jia Ju, Hua Mi Xin Cai, and Zhong Gong Gao Ke, which have smaller deviation rates [1][2] - The trading performance of stocks such as Teng Jing Ke Ji and Tian Yue Xian Jin also showed significant increases, with respective daily gains of 20.00% and 14.11% [2]

Core Viewpoint - The semiconductor lithography machine concept stocks have experienced significant gains, indicating a bullish sentiment in the market for these companies [1]. Group 1: Stock Performance - Su Dawei Ge reached a peak increase of 20%, hitting the limit up [1]. - Tengjing Technology saw an increase of over 15% [1]. - Other companies such as Woge Optoelectronics, Meiyu Technology, Juguang Technology, Saiwei Electronics, and United Chemical also experienced upward movement in their stock prices [1].

Market Performance - The optical optoelectronics sector declined by 2.27% on September 4, with Su Dawei leading the drop [1] - The Shanghai Composite Index closed at 3765.88, down 1.25%, while the Shenzhen Component Index closed at 12118.7, down 2.83% [1] Stock Performance - Weida Optoelectronics (873001) saw a closing price of 24.49, with an increase of 4.21% [1] - Jingwei Huikai (300120) closed at 10.21, up 3.13% [1] - Longli Technology (300752) closed at 25.38, with a rise of 2.30% [1] - Other notable stocks include Guangzhi Technology (300489) at 45.82 (+2.21%) and Shengyang Technology (603703) at 9.93 (+1.85%) [1] Capital Flow - The optical optoelectronics sector experienced a net outflow of 2.095 billion yuan from main funds, while retail investors saw a net inflow of 1.855 billion yuan [2] - Notable stocks with significant capital flow include BOE Technology Group (000725) with a main fund outflow of 224 million yuan [2] - Jingwei Huikai (300120) had a main fund inflow of 72.02 million yuan, despite a retail outflow of 46.39 million yuan [2]

Core Viewpoint - Su Dawei Ge (300331.SZ) is experiencing a significant stock price increase due to its acquisition plan aimed at transforming its business model through the purchase of Changzhou Weipu Semiconductor Equipment Co., Ltd. [2][7] Acquisition Details - The company plans to invest no more than 510 million yuan to acquire up to 51% of Changzhou Weipu, which is one of the few domestic companies that has achieved large-scale production in the semiconductor photomask defect detection equipment sector [2][7] - The overall valuation of Changzhou Weipu is tentatively set at no more than 1 billion yuan, with the final transaction price subject to assessment reports and formal agreements [7] - Changzhou Weipu has a commitment to achieve a cumulative net profit of no less than 240 million yuan from 2025 to 2027 [3][15] Financial Performance - Since its listing in 2012, Su Dawei Ge has reported a cumulative net profit of -312 million yuan, indicating ongoing financial struggles [4][12] - The company has faced continuous losses, with a net profit of -350 million yuan in 2021 marking its first annual loss since going public [11] - In the first half of 2025, the company reported a revenue of 982 million yuan, a year-on-year increase of 5.27%, but a net profit decline of 10.46% [11][13] Market Reaction - On September 3, the stock price of Su Dawei Ge surged by 11%, reaching a temporary trading limit, reflecting positive market sentiment regarding the acquisition [2][16] Strategic Importance - The acquisition is seen as a critical move for Su Dawei Ge to enhance its capabilities in the semiconductor equipment sector, particularly in photomask defect detection, where domestic production is still in its early stages [8][10] - The company aims to leverage Changzhou Weipu's existing customer base to reduce customer development costs and product validation cycles [8]