Core Viewpoint - The A-share market is experiencing a strong performance in the cultivated diamond sector, with several companies showing significant stock price increases [1] Company Performance - Sifangda's stock price increased by over 11% [1] - Huifeng Diamond's stock price rose by more than 10% [1] - World Diamond's stock price grew by over 9% [1] - Inno Laser's stock price increased by over 8% [1] - Yellow River Wind's stock price rose by 7% [1] - Power Diamond's stock price increased by over 5% [1]

Core Points - Wald announced that its stock price had deviated significantly, with a cumulative increase of over 30% in closing prices over three consecutive trading days from November 5 to November 7, 2025 [1] - The company conducted a self-examination and confirmed with its controlling shareholder and actual controller that there were no undisclosed significant information as of the announcement date [1] - Wald did not find any need to correct or supplement previously disclosed information [1]

人民财讯11月7日电，沃尔德11月7日公告，公司股票连续三个交易日内日收盘价格涨幅偏离值累计超过 30%，属于股票交易异常波动情形。公司市盈率显著高于同行业市盈率水平。经公司自查，公司目前日 常经营情况正常，未发生重大变化。市场环境或行业政策未发生重大调整，内部生产经营秩序正常。 ...

公司股票交易于 2025 年 11 月 5 日、2025 年 11 月 6 日、2025 年 11 月 7 日 连续三个交易日内日收盘价格涨幅偏离值累计超过 30%，根据《上海证券交易所 交易规则》《上海证券交易所科创板股票异常交易实时监控细则》的有关规定， 属于股票交易异常波动情形。 二、公司关注并核实的相关情况 证券代码：688028 证券简称：沃尔德 公告编号：2025-050 北京沃尔德金刚石工具股份有限公司 股票交易异常波动公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈 述或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 重要内容提示： 北京沃尔德金刚石工具股份有限公司（以下简称"公司"或"本公司"） 股票于 2025 年 11 月 5 日、2025 年 11 月 6 日、2025 年 11 月 7 日连续三个交易 日内日收盘价格涨幅偏离值累计超过 30%。根据《上海证券交易所交易规则》《上 海证券交易所科创板股票异常交易实时监控细则》的有关规定，属于股票交易异 常波动情形。 经公司自查并向控股股东及实际控制人核实，截至本公告披露日，不存 在应披露而未披露的 ...

Core Viewpoint - The company's stock price experienced an abnormal fluctuation, with a cumulative increase of over 30% during three consecutive trading days from November 5 to 7, 2025, indicating potential volatility in the stock market [1] Company Performance - As of the announcement date, the company's daily operations are normal, and there are no undisclosed significant information [1] - The closing price on November 7 was 64.78 yuan per share, with a rolling price-to-earnings ratio of 103.94, which is significantly higher than the industry average, suggesting a potential for price correction [1] Shareholder Activity - During the period of abnormal fluctuation, only the controlling shareholder, actual controller, chairman, and general manager Chen Jifeng and his concerted actor Chen Tao were involved in the inquiry and transfer of shares, with no other factors identified that could influence the stock price [1]

Market Performance - The Sci-Tech 50 Index fell by 1.47%, closing at 1415.69 points, with a total trading volume of 4.188 billion shares and a turnover of 188.988 billion yuan, resulting in an average turnover rate of 2.20% [1] - Among the tradable stocks on the Sci-Tech Board, 185 stocks closed higher, with 5 stocks rising over 10% and 17 stocks rising between 5% and 10%. Conversely, 401 stocks closed lower, with 1 stock declining over 10% [1] Turnover Rate Analysis - The turnover rate distribution shows that 2 stocks had a turnover rate exceeding 20%, 20 stocks had a turnover rate between 10% and 20%, and 37 stocks had a turnover rate between 5% and 10% [1] - The stock with the highest turnover rate was He Yuan Biological, which closed down by 7.09% with a turnover rate of 30.81% and a transaction amount of 1.249 billion yuan. Wanrun New Energy rose by 15.28% with a turnover rate of 22.99% and a transaction amount of 1.727 billion yuan [1] Sector Performance - In terms of sector performance, the electronics sector had the most stocks with a turnover rate exceeding 5%, totaling 18 stocks, followed by the power equipment and computer sectors with 15 and 7 stocks, respectively [2] Capital Flow - Among the high turnover stocks, 34 stocks experienced net inflows of main funds, with the highest net inflows recorded for Purun Co., Wanrun New Energy, and Huahong Company, amounting to 190 million yuan, 157 million yuan, and 101 million yuan, respectively [2] - Conversely, stocks with significant net outflows included He Yuan Biological, Baiwei Storage, and Xi'an Yicai, with net outflows of 200 million yuan, 95.678 million yuan, and 91.679 million yuan, respectively [2] Leverage Fund Movements - A total of 30 stocks received net purchases from leveraged funds, with notable increases in financing balances for Artis, Jinpan Technology, and He Yuan Biological, which increased by 735 million yuan, 239 million yuan, and 189 million yuan, respectively [2] - Stocks with the largest decreases in financing balances included Huahong Company, Yuanjie Technology, and Jingyi Equipment, which decreased by 293 million yuan, 156 million yuan, and 130 million yuan, respectively [2]

Market Overview - The general equipment sector experienced a decline of 0.72% on November 7, with Lixing Co. leading the drop [1] - The Shanghai Composite Index closed at 3997.56, down 0.25%, while the Shenzhen Component Index closed at 13404.06, down 0.36% [1] Top Performers - Wald reported a closing price of 64.78, with a significant increase of 14.88% and a trading volume of 147,900 shares, amounting to 916 million yuan [1] - Brand Up closed at 25.26, up 10.02%, with a trading volume of 593,300 shares, totaling 1.464 billion yuan [1] - Huashu Changke saw a closing price of 57.69, increasing by 9.66% with a trading volume of 85,100 shares, amounting to 475 million yuan [1] Underperformers - Lixing Co. closed at 21.59, down 10.00%, with a trading volume of 514,900 shares, totaling 1.131 billion yuan [2] - Haiqing San History closed at 26.68, down 7.71%, with a trading volume of 106,300 shares, amounting to 292 million yuan [2] - Donghua Testing reported a closing price of 49.25, down 7.25%, with a trading volume of 119,600 shares, totaling 617 million yuan [2] Capital Flow - The general equipment sector saw a net outflow of 1.685 billion yuan from main funds, while retail funds experienced a net inflow of 1.387 billion yuan [2] - The sector's overall capital flow indicates a mixed sentiment among institutional and retail investors [2] Individual Stock Capital Flow - Shanghai Huguang had a main fund net inflow of 41.3 million yuan, representing 28.21% of its total capital flow [3] - Huashu Gaoke experienced a main fund net inflow of 10 million yuan, accounting for 21.11% of its total capital flow [3] - Huanghe Xuanfeng saw a main fund net inflow of 13.5 million yuan, representing 9.41% of its total capital flow [3]

证券代码：688028 证券简称：沃尔德 公告编号：2025-049 北京沃尔德金刚石工具股份有限公司 股东询价转让结果报告书暨持股 5%以上股东权益变动 触及 1%整数倍的提示性公告 股东陈继锋、陈涛（以下合称"转让方"）、李清华保证向北京沃尔德金刚石 工具股份有限公司（以下简称"沃尔德"或"公司"）提供的信息内容不存在任 何虚假记载、误导性陈述或者重大遗漏，并对其真实性、准确性和完整性依法承 担法律责任。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 重要内容提示: 本次询价转让的价格为40.88元/股，转让的股票数量为1,509,490股。 公司控股股东、实际控制人、董事长、总经理陈继锋及其一致行动人陈 涛参与本次询价转让。 本次权益变动为询价转让。本次转让不会导致公司控股股东、实际控制 人发生变化。 本次权益变动后，转让方陈继锋、陈涛及其一致行动人持有公司股份比 例由36.99%减少至35.98%，持有公司权益比例变动触及 1%的整数倍。 一、转让方情况 （一）转让方基本情况 截至 2025 年 10 月 30 日，转让方所持公司股份的数量、比例情况如下： | 序号 | 股东名称 ...

中信证券股份有限公司 关于北京沃尔德金刚石工具股份有限公司 股东向特定机构投资者询价转让股份的核查报告 上海证券交易所： 中信证券股份有限公司（以下简称"中信证券"或"组织券商"）受委托担任陈继 锋、陈涛（以下合称"转让方"）以向特定机构投资者询价转让（以下简称"询价转让"） 方式减持所持有的北京沃尔德金刚石工具股份有限公司（以下简称"公司"或"沃尔德"） 首次公开发行前已发行股份的组织券商。 经核查，中信证券就本次询价转让的股东、受让方是否符合《上海证券交易所科创 板上市公司自律监管指引第 4 号——询价转让和配售（2025 年 3 月修订）》（以下简 称"《询价转让和配售指引》"）要求，本次询价转让的询价、转让过程与结果是否公 平、公正，是否符合《询价转让和配售指引》的规定作出如下报告说明。 一、本次询价转让概况 （一）本次询价转让转让方 截至 2025 年 10 月 30 日，转让方所持公司首发前股份的数量及占公司总股本比例 情况如下： | 序号 | 股东名称 | 持股数量（股） | 持股比例 | | --- | --- | --- | --- | | 1 | 陈继锋 | 51,892,611 | 34 ...

1 北京沃尔德金刚石工具股份有限公司 2025 年第二次临时股东会会议资料 北京沃尔德金刚石工具股份有限公司 2025 年第二次临时股东会会议资料 证券代码：688028 证券简称：沃尔德 北京沃尔德金刚石工具股份有限公司 2025 年第二次临时股东会会议资料 二〇二五年十一月 目 录 | 2025年第二次临时股东会会议须知 3 | | --- | | 2025年第二次临时股东会投票议程 5 | | 2025年第二次临时股东会议案 7 | | 议案一《关于取消监事会的议案》 7 | | 议案二《关于变更注册资本并修订<公司章程>及其附件的议案》 8 | | 议案三《关于修订及制定部分公司治理制度的议案》 10 | 2 北京沃尔德金刚石工具股份有限公司 2025 年第二次临时股东会会议资料 北京沃尔德金刚石工具股份有限公司 2025 年第二次临时股东会会议须知 为了维护全体股东的合法权益，确保股东会的正常秩序和议事效率，保证会 议的顺利进行，根据《中华人民共和国公司法》、《中华人民共和国证券法》、中 国证券监督管理委员会《上市公司股东会规则》以及《北京沃尔德金刚石工具股 份有限公司章程》、《北京沃尔德金刚石工具 ...