Core Viewpoint - ShenKong Co., Ltd. (002278.SZ) has experienced a significant stock price increase, achieving a four-day limit-up and reaching a new high not seen in over seven years, with a turnover rate of 37.59% and a transaction volume of 1.675 billion yuan [1] Trading Activity - The top buying entity, "Happy Coast," recorded a net purchase of 95.12 million yuan, while "Quantitative Trading" was the leading seller with a net sale of 66.32 million yuan [1] - The top five buying entities accounted for a total purchase amount of 256.81 million yuan, representing 15.33% of total trading volume, while the top five selling entities had a total sale amount of 205.95 million yuan, accounting for 12.29% of total trading volume, resulting in a net inflow of 50.86 million yuan [1] Market Performance - ShenKong's stock price has shown a remarkable performance, with a notable increase in trading activity and investor interest, as evidenced by the high turnover rate and significant transaction volume [1]

Core Insights - The specialized equipment sector experienced a slight increase of 0.02% on October 23, with Sai Xiang Technology leading the gains [1] - The Shanghai Composite Index closed at 3922.41, up 0.22%, while the Shenzhen Component Index closed at 13025.45, also up 0.22% [1] Sector Performance - Notable gainers in the specialized equipment sector included: - Yunjia Technology (002337) with a closing price of 7.02, up 10.03% and a trading volume of 864,300 shares, totaling 596 million yuan [1] - Shihua Machinery (000852) at 9.34, up 10.01% with a trading volume of 2,720,200 shares, totaling 2.531 billion yuan [1] - Shandong Molong (002490) at 9.36, up 9.99% with a trading volume of 1,097,100 shares, totaling 1 billion yuan [1] Capital Flow - The specialized equipment sector saw a net outflow of 2.135 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.673 billion yuan [2] - The capital flow for specific stocks indicated: - He Dung Intelligent (603011) had a net inflow of 1.011 billion yuan from institutional investors, but a net outflow from retail investors [3] - Lingyun Optics (688400) experienced a net inflow of 82.8594 million yuan from institutional investors [3]

Group 1 - A total of 58 stocks reached the daily limit up today, with 10 stocks achieving consecutive limit ups [1] - 14 stocks attempted to limit up but failed, resulting in a limit up rate of 80% (excluding ST and delisted stocks) [1] - Notable stocks include coal sector stock Daqiao Energy with 8 consecutive limit ups, and Antai Group with 4 limit ups in 6 days [1] Group 2 - Deep Earth Economy concept stocks such as Shenkai Co. and Petrochemical Machinery both achieved 4 consecutive limit ups [1] - M&A and restructuring stock Yingxin Development also recorded 4 consecutive limit ups [1]

Group 1 - Main capital inflow was observed in sectors such as coal, public utilities, media, and social services, while sectors like electronics, telecommunications, computers, and pharmaceuticals experienced capital outflow [1] - Specific stocks that saw significant net inflows include China Nuclear Engineering with 1.166 billion, Sinopec Mechanical with 1.157 billion, and ShenKong Co. with 774 million [1] - In contrast, stocks that faced substantial net outflows include Cambrian Technology with 1.229 billion, New Yisheng with 850 million, and Tianfu Communication with 842 million [1]

Core Insights - The concept of "deep earth economy" has emerged and gained traction in the A-share market, attracting investor attention towards related business developments [1] Company Responses - **Boyin Tech**: The company's anti-corrosion and wear-resistant welding technology can be applied to oil and gas transportation pipelines requiring such technologies [1] - **Meiansen**: The company's products and technologies are primarily used for intelligent safety production in various underground mining spaces. They are actively developing mining robots for autonomous inspections in underground spaces, with steady progress in related R&D [1] - **Beilu Intelligent Control**: The company provides intelligent mining-related software and hardware products and solutions, aligning with national policies in the "deep earth economy" sector and seizing related development opportunities [1] - **China Communications Design**: Leading the deep earth future industry within the China Communications Group, the company has formed an innovative consortium focusing on deep geological exploration, ultra-deep shaft construction, and other technical R&D, achieving significant results [1] - **Metro Design**: The company is engaged in surveying, design, planning consulting, and engineering contracting in fields such as rail transit and municipal projects, participating in various urban underground space development projects [1] - **Suyuan Jingshen**: The company is currently focused on key projects related to deep earth development, including the Zhangxing gas storage facility (Phase I) and a joint venture with Jiangsu Guoxin Group for a 600MW compressed air energy storage project [1] Deep Earth Economy Index - The deep earth economy index has shown no change, with several companies experiencing significant stock price increases, such as: - **Deshi Co.**: 16.80% increase - **Keli Co.**: 12.42% increase - **Zhonghua Rock and Soil**: 10.12% increase - **Construction Machinery**: 10.05% increase [2]

Core Viewpoint - The stock of ShenKai Co., Ltd. experienced an abnormal fluctuation, with a cumulative closing price increase of over 20% over three consecutive trading days from October 20 to October 22, 2025 [1] Summary by Relevant Sections - **Stock Performance** The company's stock price showed a significant increase, with a cumulative rise exceeding 20% over three consecutive trading days [1] - **Company Verification** The company confirmed that there are no corrections or supplements needed for previously disclosed information, and no undisclosed significant information has been found that could impact the stock price [1] - **Operational Status** The company's production and operational conditions remain normal, with no significant changes in the internal or external operating environment [1]

Market Overview - A total of 74 stocks in the A-share market hit the daily limit, with 56 stocks hitting the limit after excluding 18 ST stocks, resulting in an overall limit-hitting rate of 74% [1] Top Performers - The stock with the highest limit-hitting order volume was Yingxin Development, with 2,020,800 hands, followed by Shihua Machinery, ShenKai Co., and CITIC Heavy Industries, with limit-hitting order volumes of 521,900 hands, 417,000 hands, and 411,800 hands respectively [2] - In terms of consecutive limit-hitting days, ST Zhongdi achieved 4 consecutive limits, while Yingxin Development, Shihua Machinery, and ShenKai Co. each had 3 consecutive limits [2] Sector Highlights Oil and Gas - ShenKai Co. is a key supplier of offshore oil and gas equipment in China, with self-developed intelligent wellhead equipment applied in major offshore oil fields [2] - The company has won bids for several offshore oil and gas field projects, indicating strong market positioning [2] Pharmaceuticals - Notable pharmaceutical stocks hitting the limit include Guangji Pharmaceutical, Chenxin Pharmaceutical, Anglikang, and Te Yi Pharmaceutical, with a focus on innovative drug development and production [3] Robotics - The robotics sector saw significant limit-hitting stocks such as Ruineng Technology, Southern Road Machinery, CITIC Heavy Industries, and Saixiang Technology, with advancements in industrial robotics and AI applications [4][5] Oil and Gas Extraction - Key players in oil and gas extraction include Zhun Oil Co., Beiken Energy, and Shihua Machinery, focusing on technology services for oil and gas extraction and enhancing production efficiency [6][7] Institutional Activity - Institutions showed strong buying interest in stocks like Rongxin Culture, with net purchases exceeding 100 million yuan, alongside other notable stocks on the leaderboard [8]

Group 1 - The concept of the Russia-Ukraine conflict saw an increase of 1.13%, ranking 8th among concept sectors, with 39 stocks rising, including Zhun Oil, Beiken Energy, and Petrochemical Oil Service reaching their daily limit [1] - Notable gainers in the sector included Zhun Oil with a rise of 10.04%, Beiken Energy up by 10.01%, and Petrochemical Oil Service increasing by 10.00% [4][7] - The sector experienced a net outflow of 288 million yuan in main funds, with 30 stocks receiving net inflows, and 7 stocks seeing inflows exceeding 50 million yuan, led by Petrochemical Oil Service with a net inflow of 143 million yuan [2][3] Group 2 - The top stocks by net inflow ratio included Shen Kai Co., Petrochemical Machinery, and Beiken Energy, with net inflow ratios of 68.34%, 62.00%, and 14.56% respectively [3] - The highest trading volume in the Russia-Ukraine conflict concept was recorded for Petrochemical Oil Service at 142.58 million yuan, followed by Beiken Energy at 109.85 million yuan [3][4] - Stocks that faced declines included Xinlaifu, Tianhao Energy, and Shennong Seed Industry, with decreases of 9.72%, 3.66%, and 3.19% respectively [1][6]

Core Insights - The shale gas sector has seen a rise of 2.29%, ranking second among concept sectors, with 29 stocks increasing in value, including notable gains from companies like Zhun Oil and Beiken Energy, which hit the daily limit up [1][2] Market Performance - The top-performing concept sectors today include: - Combustible Ice: +4.06% - Shale Gas: +2.29% - Tianjin Free Trade Zone: +2.03% - Others with positive performance include Specialty Towns and Artificial Meat [2] - The shale gas sector experienced a net outflow of 211 million yuan, with 17 stocks receiving net inflows, and 5 stocks seeing inflows exceeding 50 million yuan [2] Fund Flow Analysis - Leading stocks in terms of net fund inflow rates include: - ShenKai Co.: 68.34% - Petrochemical Machinery: 62.00% - Beiken Energy: 14.56% [3] - The top stocks by net fund inflow today are: - China National Offshore Oil Corporation: +2.72 billion yuan - Petrochemical Oil Service: +1.43 billion yuan - Beiken Energy: +1.10 billion yuan [2][3] Stock Performance - Notable stock performances in the shale gas sector include: - Zhun Oil: +10.04% - Petrochemical Oil Service: +10.00% - Beiken Energy: +10.01% [3][4] - Conversely, stocks like Litong Technology and Tianhao Energy saw declines of 4.06% and 3.66%, respectively [1][5]

Core Viewpoint - The combustible ice concept has seen a significant increase of 4.06%, leading the sector in gains, with notable stocks reaching their daily limit up [1][2]. Group 1: Market Performance - The combustible ice sector had 10 stocks rising, with Shihua Oil Service, ShenKong Co., and Shihua Machinery hitting the daily limit up [1]. - The top gainers in the sector included Shihua Oil Service (up 16.80%), ShenKong Co. (up 6.33%), and Shihua Machinery (up 3.21%) [1]. - Conversely, the biggest losers included Times Electric (down 3.11%), Guangzhou Development (down 0.71%), and Nanjing Steel (down 0.58%) [1]. Group 2: Capital Flow - The combustible ice sector attracted a net inflow of 127 million yuan, with six stocks receiving significant capital inflows [2]. - The leading stock in terms of net capital inflow was Shihua Oil Service, which saw an inflow of 143 million yuan, followed by ShenKong Co. (77.70 million yuan), China National Offshore Oil Corporation (44.68 million yuan), and Shihua Machinery (41.09 million yuan) [2][3]. - The net inflow ratios for ShenKong Co., Shihua Machinery, and Shihua Oil Service were 68.34%, 62.00%, and 9.63%, respectively [3].