8月4日盘后，芯导科技连发多份公告，涉及本次资产重组交易的合规、此前股价波动、保密措施及制度等情况说明。 闵雨琦对经济观察报表示，公司股票价格在本次重大资产重组停牌前20个交易日期间内的累计涨跌幅未达到20%，不存在异常波动的情况。公司已根据法 律、法规及规范性法律文件的相关规定，采取了必要且充分的保密措施，限定相关敏感信息的知悉范围，严格遵守了保密义务。 经济观察报 记者 牛钰 8月3日，半导体行业上市公司芯导科技（688230.SH）披露了一起并购动作：拟以4.03亿元的价格收购上海瞬雷科技有限公司（下称"瞬雷科技"）100%股 权，进一步完善其在功率半导体领域的布局。 股价连续上涨 芯导科技成立于2009年，总部位于上海，2021年12月在上交所科创板上市，主要从事模拟集成电路和功率器件的开发及销售，其产品可应用于消费类电子、 网络通讯、安防、工业、汽车、储能等领域。 尽管本次交易预计将达到重大资产重组标准，但芯导科技并未停牌。8月4日，芯导科技盘中一度涨超18%，最终收于69元/股，涨幅为11.47%；8月5日，其 股价收于69.01元/股，达到2024年初至今的最高收盘价。 Wind数据显示，7月下 ...

Core Viewpoint - The A-share market will see a total of 54 stocks facing lock-up expiration next week, with a total unlock market value of 27.882 billion yuan, but no stock will exceed 10 billion yuan in unlock value [1][4][6]. Group 1: Unlock Market Value - The total unlock market value for the 54 stocks is 27.882 billion yuan, calculated based on the closing price on May 30 [1][4]. - The stocks with the highest unlock market value are Chipway Technology (42.59 million yuan) and Huachuang Technology (40.81 million yuan) [4][10]. - Four stocks will see their circulating shares increase by over 100%, with Chipway Technology's circulating shares expanding by 300% [1][12]. Group 2: Individual Stock Analysis - Chipway Technology will unlock 88.2 million shares on June 3, representing 75% of its total share capital, with a market value of 42.59 million yuan [7][11]. - Huachuang Technology will unlock 242.35 million shares on June 6, representing 70.35% of its total share capital, with a market value of 40.81 million yuan [10][11]. - *ST Chengchang will unlock 102.11 million shares on June 6, with a market value of 35.54 million yuan [4][10]. Group 3: Stock Performance - As of May 30, Chipway Technology's stock price was 48.29 yuan, down 26.30% from its issue price, while its market capitalization was 5.679 billion yuan [7][10]. - Huachuang Technology's stock price was 16.84 yuan, down 50.92% from its issue price, with a market capitalization of 5.801 billion yuan [10][11]. - The profit for Chipway Technology in 2024 was 111.6 million yuan, a year-on-year increase of 15.70%, while the first quarter of 2025 saw a profit of 24.07 million yuan, a decrease of 1.62% [8][10].

Core Viewpoint - The upcoming week will see a decrease in the number of A-share companies facing lock-up stock releases, but the total market value of the released stocks will be higher, with no stock exceeding a market value of 10 billion yuan [1][2]. Group 1: Lock-up Stock Release Overview - A total of 54 stocks will face lock-up stock releases next week, with a combined release quantity of 2.399 billion shares, amounting to a total market value of 27.882 billion yuan based on the closing price on May 30 [1][2]. - The two stocks with the highest release market value are Chipway Technology (688230.SH) and Huqiang Technology (688151.SH), each exceeding 4 billion yuan [2][4]. Group 2: Specific Stock Details - Chipway Technology will release 88.2 million shares on June 3, representing 75% of its total share capital, with a release market value of 4.259 billion yuan [5][6]. - Huqiang Technology will release 242.35 million shares on June 6, accounting for 70.35% of its total share capital, with a release market value of 4.081 billion yuan [5][9]. - *ST Chengchang (001270.SZ) will also see a significant release of 102.11 million shares, with a market value of 3.554 billion yuan [5][4]. Group 3: Market Performance and Trends - Chipway Technology's stock price was 48.29 yuan per share as of May 30, reflecting a 0.99% increase since the beginning of the month, but a 26.30% decrease compared to its issue price [6][8]. - Huqiang Technology's stock price was 16.84 yuan per share, showing a 2.67% increase since the beginning of the month, but a 50.92% decline compared to its issue price [9][10]. - Four stocks will see their circulating shares increase by over 100%, with Chipway Technology's circulating shares expanding by 300% [13][10].