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]

资金面上看，今日页岩气概念板块获主力资金净流出2.11亿元，其中，17股获主力资金净流入，5股主 力资金净流入超5000万元，净流入资金居首的是中国海油，今日主力资金净流入2.72亿元，净流入资金 居前的还有石化油服、贝肯能源、神开股份等，主力资金分别净流入1.43亿元、1.10亿元、7770.27万 元。 资金流入比率方面，神开股份、石化机械、贝肯能源等流入比率居前，主力资金净流入率分别为 68.34%、62.00%、14.56%。（数据宝） 截至10月22日收盘，页岩气概念上涨2.29%，位居概念板块涨幅第2，板块内，29股上涨，准油股份、 贝肯能源、石化油服等涨停，德石股份、秉扬科技、中裕科技等涨幅居前，分别上涨16.80%、9.26%、 7.58%。跌幅居前的有利通科技、天壕能源、常宝股份等，分别下跌4.06%、3.66%、2.05%。 今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 可燃冰 | 4.06 | 海南自贸区 | -2.61 | | 页岩气 | 2.29 | 石墨电极 | -2.34 | ...

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].

Market Overview - On October 22, the three major A-share indices collectively adjusted, with the Shanghai Composite Index down 0.07%, the Shenzhen Component Index down 0.62%, and the ChiNext Index down 0.79%. The total market turnover was 1.69 trillion yuan, a decrease of 202.4 billion yuan compared to the previous trading day [1]. Energy Sector Performance - The energy-related sectors continued to show strength, with deep-sea and deep-earth economy concepts experiencing significant growth. The combustible ice and oil and gas extraction sectors led the gains, with multiple stocks hitting the daily limit [3][4]. - Huanghe Xuanfeng's stock price increased by over 85% year-to-date and surged over 52% in October alone. The company specializes in superhard materials and products, which are widely used in various industries including diamond tool manufacturing and electronics [3]. Deep-Sea and Deep-Earth Developments - During the "14th Five-Year Plan" period, China has made significant advancements in deep-sea and deep-earth exploration. The country's first self-operated deep-water oil field, the Liuhua Oilfield, has achieved record high oil and gas production. Domestic crude oil production from China National Offshore Oil Corporation (CNOOC) has increased to 58.61 million tons, with offshore crude oil production accounting for over 70% of the total increase in the country [6]. - The deep-earth economy is also evolving rapidly, with advancements in drilling technology reducing the time required to reach deeper depths. The successful drilling of the Deep Earth T1 well to 10,910 meters marks a significant milestone [6]. Real Estate Sector Activity - The real estate sector showed active performance, with several stocks such as Yingxin Development achieving a "three consecutive limit" and others like Guangming Real Estate and Tianbao Infrastructure also hitting the daily limit [7]. - According to Zhongtai Securities, the continuous optimization of housing policies in core cities is expected to boost market confidence, leading to a potential stabilization of the industry as policies aimed at stabilizing sales and funding continue to be implemented [9].

Market Overview - The specialized equipment sector increased by 0.7% on October 22, with DeShi Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Top Performers - DeShi Co., Ltd. (301158) closed at 29.97, up 16.80% with a trading volume of 506,700 shares and a transaction value of 1.498 billion [1] - KaiTeng Precision (920553) closed at 12.39, up 11.42% with a trading volume of 121,400 shares [1] - ZhongYa Co., Ltd. (300512) closed at 11.25, up 10.29% with a trading volume of 461,800 shares [1] - Other notable gainers include BeiFang Co. (600262), SaiXiang Technology (002337), and ZhongXin CheGong (601608), all showing significant increases [1] Underperformers - MaHe Co., Ltd. (301056) closed at 12.90, down 5.77% with a trading volume of 89,600 shares [2] - LiHeXing (301013) closed at 29.22, down 3.60% with a trading volume of 349,900 shares [2] - Other notable decliners include ZhongJian Technology (002779) and HongMing Co. (301105), both experiencing declines [2] Capital Flow - The specialized equipment sector saw a net outflow of 480 million from institutional investors, while retail investors contributed a net inflow of 199 million [2] - The sector's capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors remain active [2] Individual Stock Capital Flow - SaiXiang Technology (002337) had a net inflow of 11.34 million from institutional investors but saw significant outflows from retail investors [3] - Other stocks like XinQi Microelectronics (688630) and HuiCheng Vacuum (301392) also experienced varied capital flows, with institutional inflows and retail outflows [3] - The data suggests a trend where institutional investors are more cautious, while retail investors are more engaged in the market [3]