Group 1 - The A-share market's cultivated diamond sector experienced a collective decline, with notable drops in stocks such as Huanghe Xuanfeng, Huifeng Diamond, and Liliang Diamond, all falling over 7% [1] - Specific stock performance includes Huanghe Xuanfeng down 7.56% with a market cap of 9.172 billion, Huifeng Diamond down 7.03% with a market cap of 3.225 billion, and Liliang Diamond down 7.02% with a market cap of 10.2 billion [2] - Other stocks in the sector also saw declines, including Sifangda down 6.38% and World down 3.70%, indicating a broader trend of negative performance in the cultivated diamond market [1][2] Group 2 - The year-to-date performance shows Huanghe Xuanfeng with a gain of 52.88%, while Huifeng Diamond has decreased by 8.72% since the beginning of the year [2] - Liliang Diamond has a year-to-date increase of 8.27%, contrasting with the overall decline in the sector [2] - The overall market sentiment appears negative, as indicated by the significant drops in multiple stocks within the cultivated diamond sector [1][2]

Core Points - The main point of the news is that World (688028.SH) disclosed a share transfer plan, where shareholders Chen Jifeng and Chen Tao plan to transfer a total of 1,509,490 shares, representing 1.00% of the company's total share capital, due to personal funding needs [1] Group 1: Share Transfer Details - The share transfer will not occur through centralized bidding or block trading, and the transferee is restricted from transferring the shares within six months after acquisition [1] - The estimated cash out from the transfer, based on the last closing price of 53.80 yuan per share, is approximately 81,210,562 yuan [1] - Chen Jifeng holds 51,892,611 shares, accounting for 34.38% of the total share capital, while Chen Tao holds 633,800 shares, accounting for 0.42% [1] Group 2: Company Background and Financials - World was listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board on July 22, 2019, with an initial issuance of 20 million shares at a price of 26.68 yuan per share [2] - The total funds raised during the IPO amounted to 533.60 million yuan, with a net amount of 469.27 million yuan after deducting issuance costs [2] - The company has raised a total of approximately 1.021 billion yuan from two fundraising events [4]

Group 1 - The A-share market's cultivated diamond sector experienced a collective decline, with notable drops in stocks such as Huanghe Xuanfeng (600172), Huifeng Diamond, and Liliang Diamond, all falling over 7% [1] - Specific stock performance includes Huanghe Xuanfeng down 7.56% with a market cap of 9.172 billion, Huifeng Diamond down 7.03% with a market cap of 3.225 billion, and Liliang Diamond down 7.02% with a market cap of 10.2 billion [2] - Other significant declines include Sifangda (300179) down 6.38% and World (688028) down 3.70%, with respective market caps of 6.278 billion and 7.821 billion [1][2] Group 2 - Year-to-date performance shows Huanghe Xuanfeng with a gain of 52.88%, while Huifeng Diamond has decreased by 8.72% [2] - Liliang Diamond has a year-to-date increase of 8.27%, and Sifangda has increased by 17.26% [2] - World has a substantial year-to-date increase of 137.16%, indicating a contrasting performance compared to its recent decline [2]

Core Viewpoint - Wald is a leading enterprise in the domestic superhard tool sector, established in 2006 and listed on the Shanghai Stock Exchange in 2019, with strong R&D capabilities and a complete industry chain [1] Financial Performance - In Q3 2025, Wald reported revenue of 539 million yuan, ranking 6th among 14 companies in the industry, with the top company, Guojijinggong, generating 2.296 billion yuan [2] - The main business composition includes superhard tools at 263 million yuan (78.59%), hard alloy tools at 47.98 million yuan (14.31%), and superhard materials at 19.16 million yuan (5.72%) [2] - The net profit for the same period was 70.846 million yuan, placing Wald 5th in the industry, with the leading company, Luxin Chuangtou, achieving 321 million yuan [2] Financial Ratios - As of Q3 2025, Wald's debt-to-asset ratio was 12.90%, down from 14.97% year-on-year, significantly lower than the industry average of 33.33%, indicating strong solvency [3] - The gross profit margin for Q3 2025 was 43.03%, slightly down from 45.60% year-on-year but still above the industry average of 25.53% [3] Executive Compensation - The chairman and general manager, Chen Jifeng, received a salary of 1.2643 million yuan in 2024, an increase of 26,900 yuan from 2023 [4] Shareholder Information - As of September 30, 2025, the number of A-share shareholders decreased by 7.59% to 8,495, while the average number of circulating A-shares held per account increased by 8.35% to 17,800 [5]

Core Viewpoint - On October 30, the stock of World (688028) closed at 53.80 yuan, experiencing a significant increase of 19.64% with a trading volume of 9.52 billion yuan and a turnover rate of 12.55% [2][3] Group 1: Stock Performance - The stock's closing price rose by 19.64% on October 30, with a trading range of 18.13% throughout the day [2] - The stock was listed on the daily trading list due to its closing price increase of 15% [2] Group 2: Trading Volume and Net Inflow - The total trading volume for the day was 9.52 billion yuan, with a net inflow of main funds amounting to 1.04 billion yuan [3] - The top five trading departments accounted for a total transaction of 3.13 billion yuan, with a net buying amount of 38.41 million yuan [2][3] Group 3: Major Buying and Selling Departments - The largest buying department was Guotai Junan Securities Co., Ltd. Shenzhen Branch, with a purchase amount of 46.09 million yuan [3] - The largest selling department was Goldman Sachs (China) Securities Co., Ltd. Shanghai Pudong New District Century Avenue Branch, with a selling amount of 41.03 million yuan [3]

证券代码：688028 证券简称：沃尔德 公告编号：2025-047 北京沃尔德金刚石工具股份有限公司 股东询价转让计划书 股东陈继锋、陈涛保证向北京沃尔德金刚石工具股份有限公司提供的信息 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： 拟参与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"）首发前股东询价转让（以下简称"本次询价转让"）的股东为陈继锋、陈涛 （以下合称为"出让方"）； 出让方拟转让股份的总数为 1,509,490 股，占沃尔德总股本的比例为 1.00%； 本次询价转让不通过集中竞价交易或大宗交易方式进行，不属于通过二级 市场减持。受让方通过询价转让受让的股份，在受让后 6 个月内不得转让； 本次询价转让的受让方为具备相应定价能力和风险承受能力的机构投资 者。 一、拟参与转让的股东情况 （一）出让方的名称、持股数量、持股比例 出让方委托中信证券股份有限公司（以下简称"中信证券"）组织实施本次 询价转让。截至 2025 年 10 月 30 日，出让 ...

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 相关资格的核查意见 二、关于参与本次询价转让股东相关资格的核查情况 （一）核查过程 根据相关法规要求，中信证券对出让方的相关资格进行了核查。出让方已出 具《关于向特定机构投资者询价转让首次公开发行前已发行股份出让方资格相关 事宜的承诺函》。中信证券已完成出让方资格核查工作，对出让方进行访谈和问 询，并收集相关核查文件。此外，中信证券还通过公开信息渠道检索等手段对出 让方资格进行了核查。 （二）核查情况 1、陈继锋 广东省深圳市福田区中心三路 8 号卓越时代广场（二期）北座 1 中信证券股份有限公司（以下简称"中信证券"）受北京沃尔德金刚石工具 股份有限公司（以下简称"沃尔德"）股东陈继锋、陈涛（以下合称"出让方"） 委托，组织实施本次沃尔德首发前股东向特定机构投资者询价转让（以下简称"本 次询价转让"）。 根据《关于在上海证券交易所设立科创板并试点注册制的实施意见》《科创 板上市公司持续监管办法（试行）》《上海证券交易所科创板股票上市规则（2025 年 4 月修订）》《上海证券交易所科创板上市公司自律监管指引第 4 ...

截至10月30日收盘，培育钻石概念上涨1.26%，位居概念板块涨幅第3，板块内，8股上涨，沃尔德、惠 丰钻石、恒盛能源等涨幅居前，分别上涨19.64%、9.16%、4.17%。跌幅居前的有楚江新材、潮宏基、 国力电子等，分别下跌4.71%、4.66%、3.09%。 （文章来源：证券时报网） | 代码 | 简称 | 今日涨跌幅 | 今日换手率 | 主力资金流量（万 | 主力资金净流入比率 | | --- | --- | --- | --- | --- | --- | | | | （%） | （%） | 元） | （%） | | 688028 | 沃尔德 | 19.64 | 12.55 | 10439.52 | 10.96 | | 300179 | 四方达 | 3.29 | 21.97 | 2525.84 | 2.25 | | 605580 | 恒盛能 源 | 4.17 | 3.01 | 1968.34 | 6.76 | | 301021 | 英诺激 光 | -1.73 | 7.87 | 889.10 | 1.64 | | 600916 | 中国黄 金 | 0.24 | 1.74 | 527.80 | 2.15 ...

Market Overview - The general equipment sector experienced a decline of 1.09% on October 30, with Shenling Environment leading the drop [1] - The Shanghai Composite Index closed at 3986.9, down 0.73%, while the Shenzhen Component Index closed at 13532.13, down 1.16% [1] Top Gainers - Wald (688028) saw a significant increase of 19.64%, closing at 53.80 [1] - Puyuan Precision (688337) rose by 14.16%, closing at 47.65 [1] - Landun Optoelectronics (300862) increased by 14.15%, closing at 25.57 [1] - Hexin Instruments (688622) gained 11.91%, closing at 147.01 [1] - Huadong CNC (002248) rose by 10.01%, closing at 12.64 [1] Top Losers - Shenling Environment (301018) fell by 12.91%, closing at 57.13 [2] - Caiqi Technology (301360) decreased by 11.68%, closing at 77.71 [2] - Seagull Co., Ltd. (603269) dropped by 9.98%, closing at 12.45 [2] - Rongyi Precision (920223) declined by 8.38%, closing at 20.66 [2] - Tiangang Co., Ltd. (920651) fell by 7.04%, closing at 50.57 [2] Capital Flow - The general equipment sector saw a net outflow of 1.815 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.555 billion yuan [2][3] - The top stocks by net inflow from retail investors included Huadong CNC (002248) with a net inflow of 2.06 billion yuan [3] - Wald (688028) experienced a net outflow of 673.862 million yuan from retail investors [3]

Core Points - The Shanghai Composite Index is at 4011.41 points, slightly down by 0.12%, with a total trading volume of 202.95 billion yuan [1] - A total of 340 A-shares have surpassed their five-day moving average, with notable stocks showing significant deviation rates [1] Group 1: Stock Performance - Wald (688028) has the highest deviation rate at 12.41%, with a daily increase of 19.28% and a turnover rate of 10.93% [1] - HeXin Instruments (688622) follows with a deviation rate of 11.02%, increasing by 14.07% today [1] - Blue Shield Optoelectronics (300862) shows a deviation rate of 10.39% with a daily increase of 14.60% [1] Group 2: Other Notable Stocks - Huifeng Diamond (920725) has a deviation rate of 8.78% and increased by 12.04% [1] - Anyang Steel (600569) shows a 10.08% increase with a deviation rate of 7.73% [1] - Rongke Technology (300290) increased by 9.85% with a deviation rate of 7.52% [1]