Key Points - The article highlights various significant announcements from companies, including new projects, partnerships, and share buybacks [1][2] Group 1: Company Developments - Wald is developing diamond micro-drills for PCB board hole processing, currently in the R&D and testing phase [1] - Upwind New Materials is in the product development stage for its embodied intelligent robot business, with no mass production or large-scale sales yet [1] - Redick plans to establish a joint venture to develop components related to robotic dexterous hands and robotic joint actuators [1] Group 2: Project Investments - Tongxing Technology plans to invest 3.2 billion yuan to build a project with an annual production capacity of 100,000 tons of sodium battery anode materials and 6 GWh of battery cells [1] - Zhongjin Irradiation intends to invest in the construction of an electronic accelerator intelligent manufacturing project [1] Group 3: Contracts and Awards - China Oil Engineering has won a joint bid for the ethane and propane project in Kazakhstan [1] - Dashi Intelligent has signed a contract for the Smart Display Technology Park project [1] Group 4: Equity Acquisitions - Qin'an Co., Ltd. plans to acquire 99% of Yigao Optoelectronics for 885 million yuan [1] - Dingtong Technology intends to acquire 70% of Blue Ocean Vision for 126 million yuan [1] Group 5: Share Buybacks - Energy Guozhen plans to repurchase shares worth between 50 million and 100 million yuan [1] - Yuyuan Co., Ltd. intends to spend 200 million to 300 million yuan on share buybacks [1] - HJ Bio plans to repurchase shares worth between 100 million and 200 million yuan [1] Group 6: Shareholding Changes - Ningbo Fangzheng's controlling shareholders and actual controllers plan to reduce their holdings by up to 3% [2] - Yonggui Electric has signed a strategic framework agreement with Zhiyuan Robotics [2] - Yonghui Supermarket's private equity fund plans to reduce its holdings by no more than 1% [2]

Summary of Key Points Core Viewpoint - Multiple shareholders across various companies are planning to reduce their stakes, indicating potential shifts in investor sentiment and market dynamics [1]. Shareholder Reductions - Strong瑞 Technology's shareholders, 强瑞科技 and 强瑞投资, collectively reduced their holdings by 1.1779 million shares [1]. -粤万年青's shareholder, 合和投资, intends to reduce its stake by no more than 3% [1]. - 宁波方正's partial controlling shareholders and their concerted actors plan to reduce their holdings by no more than 3% [1]. - One of the actual controllers of 粤万年青's concerted actors plans to reduce its stake by no more than 0.66% [1]. - Shareholders of 索宝蛋白, 济南复星 and 宁波复星, plan to reduce their holdings by a total of no more than 3% [1]. - 永辉超市's shareholder, 喜世润合润6号 private equity fund, plans to reduce its stake by no more than 1% [1]. - 和泰机电's shareholder, 海泰精华, intends to reduce its stake by no more than 2.98% [1]. - 中谷物流's shareholder, 谷洋投资, plans to reduce its stake by no more than 3% [1]. - 洪通燃气's shareholder, 田辉, intends to reduce its stake by no more than 3% [1]. - 未望电气's deputy general manager, 王琰, reduced 786,500 shares of the company [1]. - 概谷科技's shareholder, 徐龙祥, reduced 681,700 shares of the company [1]. - 泰瑞机器's shareholder, 郑建国, reduced 3.8336 million shares of the company [1]. - 润都股份's shareholder, 李希, completed a reduction of 6.8244 million shares [1]. Other Notable Developments - 邦基科技 has terminated its major asset restructuring plan [1]. - 沃尔德 announced that its diamond micro-drills are in the research and testing phase for PCB board hole processing [1].

分组1 - Midea Group announced a cash dividend distribution plan for the 2025 mid-term A-shares, distributing 5 yuan per 10 shares, totaling 3.448 billion yuan [1] - Huayuan Communication is planning a change in control and will suspend trading of its stock starting November 12, 2025, for up to two trading days [2] - Shangwei New Materials reported a significant stock price increase of 1573.52% from July 9 to November 11, 2025, but its new intelligent robot business is still in the development stage and has not generated revenue [3] 分组2 - Shannon Chip announced that shareholder Shenzhen Xinlianpu pledged 1.27 million shares, accounting for 5.55% of its holdings and 0.27% of the total share capital [4] - Tianji Co., Ltd. reported that its controlling shareholder pledged 39.965 million shares for its own production and operation, representing 64.79% of its holdings and 7.97% of the total share capital [5] - ST Zhengping completed its stock trading situation review and will resume trading on November 12, 2025, with no significant changes in its production and operation [6] 分组3 - Furi Co. reported that its subsidiary Furi New Energy is facing risks of losses despite a 47.78% year-on-year increase in revenue to 168.3981 million yuan for the first three quarters of 2025 [7] - Wentai Technology announced that major shareholders reduced their holdings by 12.4443 million shares, completing the reduction plan [8] 分组4 - Anke Biotech signed a framework agreement for exclusive agency of PA3-17 injection, a CAR-T cell therapy product, in Greater China [9] - Tongxing Technology plans to invest approximately 3.2 billion yuan in a project to produce 100,000 tons of sodium-ion battery cathode materials and 6 GWh of battery cells [10] - Redik plans to establish a joint venture for the development of robotic components, with a registered capital of 100 million yuan [11] 分组5 - Haike New Source signed a strategic cooperation agreement with Kunlun New Materials for the purchase of 596,200 tons of electrolyte solvent over three years [12] - World announced that its diamond micro-drill products for PCB processing are still in the R&D phase and have not generated revenue [13] 分组6 - Xiamen Airport reported a 1.56% year-on-year increase in passenger throughput for October [14] - New City Holdings reported a 7.65% year-on-year increase in total commercial operating revenue for October [15] - Huadong Holdings announced a 0.65% year-on-year decrease in pig sales revenue for October [15] 分组7 - Keykai Technology's controlling shareholder plans to transfer 3% of its shares [15] - Zhongyou Engineering won a joint bid for a project worth approximately 3 billion yuan in Kazakhstan [15] - Weiteng Electric plans to raise no more than 300 million yuan through a private placement for smart manufacturing projects [15]

分组1 - Midea Group announced a cash dividend distribution plan for the 2025 interim A-shares, proposing a payout of 5 yuan for every 10 shares, totaling 3.448 billion yuan [2] - Huayuan Communication is planning a change in control and will suspend trading of its stock starting November 12, 2025, for up to two trading days [3] - Shangwei New Materials reported a significant stock price increase of 1573.52% from July 9 to November 11, 2025, but its new intelligent robot business is still in the product development stage and has not yet generated revenue [4] 分组2 - Shannon Chip announced that shareholder Shenzhen Xinlianpu has pledged 1.27 million shares, accounting for 5.55% of its holdings and 0.27% of the total share capital, for financing purposes [5] - Tianji Co., Ltd. disclosed that its controlling shareholder has pledged 39.965 million shares for its own production and operation, representing 64.79% of its holdings and 7.97% of the total share capital [6] - ST Zhengping completed its stock trading situation review and will resume trading on November 12, 2025, with no significant changes in its production and operation [7] 分组3 - Furi Co., Ltd. reported that its subsidiary Furi New Energy is facing a risk of losses despite a 47.78% year-on-year increase in revenue to 168.3981 million yuan for the first three quarters of 2025 [8] - Wentai Technology announced that major shareholders have reduced their holdings by 12.4443 million shares, completing the reduction plan [9] - Anke Biotech signed a framework agreement for exclusive agency of the PA3-17 injection product in Greater China, which is a CAR-T cell therapy for certain cancers [10] 分组4 - Tongxing Technology plans to invest approximately 3.2 billion yuan in a project to produce 100,000 tons of sodium-ion battery cathode materials and 6GWh battery cells [11] - Redick is collaborating with Aoyi Technology to establish a joint venture for the development of robotic components, with a registered capital of 100 million yuan [12] - Haike New Source signed a strategic cooperation agreement with Kunlun New Materials for the purchase of 596,200 tons of electrolyte solvent over a two-year period [13] 分组5 - World announced that its diamond micro-drills for PCB processing are still in the research and testing phase, with limited revenue impact [14][15] - Huadong Holdings reported a 0.65% year-on-year decline in pig sales revenue for October [16] - Keykai Technology's controlling shareholder plans to transfer 3% of its shares through an inquiry [17]

Company Announcements - *ST Zhengping has completed the stock suspension review and will resume trading on November 12, confirming normal production and operation without significant changes [1] - Upwind New Materials is in the product development stage for its embodied intelligent robot business, which has not yet achieved mass production or revenue generation [2] - Shannon Chip Innovation's fourth largest shareholder, Shenzhen Xinlianpu, has pledged 1.27 million shares for financing purposes [3] - Qing Shui Yuan's phosphorus trichloride products are primarily used in the production of water treatment agents [4] - Midea Group announced a cash dividend plan of 5 yuan per 10 shares, totaling 3.448 billion yuan, with the record date on November 17 [4] - Huiyuan Communication is planning a change of control, leading to a stock suspension starting November 12 [5] - Shen Gong Co. has clarified that some research reports on its performance forecasts represent only analysts' personal views [6] - World is developing diamond micro-drills for PCB processing, which are still in the R&D phase [6] - Haike New Source has signed an agreement with Kunlun New Materials for the purchase of 596,200 tons of electrolyte solvent [7] - Tongxing Technology plans to invest 3.2 billion yuan in a project to produce 100,000 tons of sodium battery cathode materials and 6 GWh battery cells [8] Investments & Contracts - Zhongjin Irradiation is investing 200 million yuan to build an electronic accelerator intelligent manufacturing project [10] - Hongri Da is collaborating with Te Du Technology and Hongke Tongchuang to establish a joint venture for semiconductor packaging [10] Shareholding Changes - Jian Kai Technology's controlling shareholder Xuanzhao plans to transfer 3% of its shares through a pricing inquiry [12] - Yue Wannianqing's shareholder Hehe Investment intends to reduce its stake by up to 3% [14] Financing & Capital Increase - Weiteng Electric plans to raise up to 300 million yuan through a private placement for various manufacturing projects [22] Other Developments - Zhifei Biological has received approval for clinical trials of a vaccine for adolescents and adults [23] - Shanghai Kaibao has obtained approval for clinical trials of a drug for acute ischemic stroke [24]

Group 1 - The stock of Shangwei New Materials reached a 20% limit up, indicating strong market interest and potential investor confidence [1] - World Group's stock increased by over 15%, reflecting positive market sentiment [1] - Hanyu Group's stock rose by more than 6%, suggesting a favorable trading environment [1] Group 2 - Other companies such as Wuzhou New Spring, Guangyang Co., Riyi Electronics, and Kaierda also experienced stock price increases, indicating a broader trend in the market [1]

Group 1 - The core business of the company is the research, production, and sales of ultra-high precision, high precision cutting tools, and superhard material products [1] - Recently, certain products, particularly diamond micro-drills used in PCB board hole processing, have gained attention; however, these products are still in the research and testing phase and have not generated revenue [1] - From January to September 2025, the diamond micro-drill achieved revenue of 9.5265 million yuan in other application areas [1] Group 2 - For the same period, the revenue from screw and RV reducer processing tools and diamond heat sink products is very small, accounting for no more than 1% of the company's total revenue [1] - The impact of these products on the company's overall revenue for 2025 is limited, and their development prospects are influenced by multiple factors, including industry trends and market conditions, which introduce uncertainty [1] - The relevant market is still in the early cultivation stage, and future market expansion may face challenges, including potential lower-than-expected downstream demand [1]

证券代码：688028 证券简称：沃尔德 公告编号：2025-051 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 10 日、2025 年 11 月 11 日连续两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重大信息。公司未发现前期披露的信息存在需要更正、补充 之处。 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。 （二）重大事项情况 经公司自查，并向公司控股股东及实际控制人函证核实：截至本公告披露日， 除了在指定媒体上已公开披露的信息外，不存在影响公司股票交易价格异常波动 的重大事宜 ...

Group 1: Market Overview - The A-share market opened high but closed lower, with the Shanghai Composite Index continuing to fluctuate around the 4000-point mark, while the Shenzhen Component, ChiNext, and other indices fell over 1% [1][3] - The market turnover slightly decreased to 2.01 trillion yuan, indicating a reduction in trading activity [1] Group 2: Sector Performance - The cultivated diamond, new energy, forestry, and plastics sectors saw significant gains, while consumer electronics, communication equipment, aerospace, and diversified finance sectors experienced notable declines [3] - The cultivated diamond sector index surged nearly 6%, reaching a historical high, with a cumulative increase of over 215% since the "9.24" market rally last year, outperforming other popular sectors like chips and AI [6] Group 3: Capital Flow - Major capital inflows were observed in basic chemicals (over 7.1 billion yuan), pharmaceuticals (over 3 billion yuan), and several other sectors, while electronics and computing saw significant outflows (over 8.9 billion yuan and over 5 billion yuan, respectively) [5] - The market is expected to maintain high-level fluctuations, with a shift from extreme differentiation to a more balanced style, favoring large-cap stocks [5] Group 4: New Energy Sector - The new energy industry chain showed strong performance, particularly in photovoltaic sectors, with the perovskite battery concept being notably active, marking its fifth consecutive day of gains and reaching a two-and-a-half-year high [10][12] - The National Development and Reform Commission and the National Energy Administration released guidelines to enhance the adaptability of new power systems by 2030, aiming to meet the annual demand for the reasonable consumption of over 200 million kilowatts of new energy [12] Group 5: Diamond Cooling Market - The diamond cooling market is projected to grow dramatically from $0.37 million in 2025 to $15.2 billion by 2030, indicating explosive growth potential [9] - Diamond's thermal conductivity is significantly higher than that of copper and silver, making it a promising material for high-performance cooling solutions in advanced technology applications [9]

Market Overview - The market experienced fluctuations with the Shenzhen Component Index and ChiNext Index both declining over 1% while the superhard materials sector surged, with stocks like Sifangda and Huanghe Xuanfeng hitting the daily limit [1] - The photovoltaic sector showed strength, with companies like Zhonglai Co. and GCL-Poly Energy also reaching the daily limit [1] - The consumer sector saw gains in the afternoon, with stocks such as Huanlejia and Sanyuan Co. hitting the daily limit [1] - The storage chip sector faced adjustments, with companies like Xiangnong Xinchuan dropping nearly 10% [1] - The total trading volume for the day was 2.01 trillion [1] Hot Topics Cultivated Diamonds - Cultivated diamonds saw a significant rise, with stocks like Huanghe Xuanfeng, Sifangda, and Hengsheng Energy hitting the daily limit [3] - The demand for diamond micro-drills, which utilize diamond tips for precision drilling in various materials, is increasing due to their application in high-power and high-frequency electronic devices [3] - According to estimates, the diamond cooling market is projected to grow from $0.5 billion in 2025 to $152.4 billion by 2030, with a compound annual growth rate of 214% [4] Photovoltaic Sector - The photovoltaic sector experienced a notable increase, with companies like Jincheng Co. and Guosheng Technology hitting the daily limit [5] - A recent guideline from the National Development and Reform Commission and the National Energy Administration emphasizes the promotion of advanced and efficient new energy storage technologies, aiming to meet the demand for 200 million kilowatts of new energy consumption annually by 2030 [5] - The "anti-involution" policies in the photovoltaic sector are focused on controlling prices and production volumes, leading to price increases across the supply chain since July [8][9] Consumer Sector - The consumer sector remained active, with companies like Dongbai Group and Zhejiang Dongri achieving consecutive daily limits [9] - The October CPI data indicated a year-on-year decrease of 2.9% in food prices, suggesting a gradual recovery in the restaurant chain sector [10] - The dairy product market is expected to see a stable recovery in demand, with supply gradually improving [11]