Group 1 - The company's stock experienced a significant price fluctuation, with a cumulative price deviation exceeding 30% over two consecutive trading days on July 23 and 24, 2025, indicating abnormal trading activity [1][2] - The stock's price deviation exceeded 100% over four consecutive trading days from July 21 to July 24, 2025, categorizing it as severe abnormal trading activity [2] - The company's current price-to-earnings (P/E) ratio stands at 170.26, which is substantially higher than the industry average P/E ratio of 36.95 for the "Professional Technical Services" sector [1][2] Group 2 - The company provides professional technical services including surveying design, planning consultation, and project management, holding various qualifications in the hydropower sector [2] - The company is closely monitoring the Yaxia Hydropower Station project but has not participated in its construction [2] - The board confirmed that there are no undisclosed significant matters or risks that could impact the company's stock price [2]

20cm4连板深水规院（301038）公告，公司股票于2025年7月21日至7月24日连续四个交易日收盘价格涨 幅偏离值累计超过100%，属于股票交易严重异常波动的情形。近期市场对雅鲁藏布江下游水电工程关 注度较高。公司主营业务是为水务工程提供勘测设计、规划咨询、项目运管等专业技术服务，具有工程 设计水利行业甲级、工程勘察综合甲级以及工程设计电力行业水力发电(含抽水蓄能、潮汐)专业乙级等 相关资质和业绩，可承接水电站相关业务。公司密切关注雅下水电站相关业务信息，目前未参与该工程 建设。 ...