证券之星消息，截至2026年2月4日收盘，蓝科高新(601798)报收于9.71元，上涨2.1%，换手率2.05%， 成交量7.28万手，成交额7044.43万元。 2月4日的资金流向数据方面，主力资金净流出507.3万元，占总成交额7.2%，游资资金净流入479.34万 元，占总成交额6.8%，散户资金净流入27.96万元，占总成交额0.4%。 近5日资金流向一览见下表： | | | | | 日期 收盘价 涨跌幅 主力净流入 主力净占比 游资净点比 散户净流入 散户净占比 | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2026-02-04 | 9.71 | 2.10% | -507.30万 | -7.20% | 479.34万 | 6.80% | 27.96万 | 0.40% | | 2026-02-03 | 9.51 | 2.04% | -271.74万 | -4.52% | 25.88万 | 0.43% | 245.86万 | 4.09% | | 2026-02-02 | | 9.32 -2.41% | -312. ...

Market Overview - The specialized equipment sector increased by 0.36% on February 4, with the leading stock being Hupu Co., Ltd. [1] - The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1] Top Gainers in Specialized Equipment Sector - Nüjian Co., Ltd. (300471) closed at 16.08, up 10.44% with a trading volume of 644,600 shares and a transaction value of 1.021 billion [1] - Shenkai Co., Ltd. (002278) closed at 14.39, up 10.02% with a trading volume of 511,000 shares and a transaction value of 717 million [1] - Shudao Equipment (300540) closed at 25.10, up 8.99% with a trading volume of 205,800 shares and a transaction value of 509 million [1] Top Losers in Specialized Equipment Sector - Lijv Thermal Energy (603391) closed at 68.10, down 4.74% with a trading volume of 27,800 shares and a transaction value of 191 million [2] - Huayi Technology (688071) closed at 39.43, down 4.67% with a trading volume of 60,200 shares and a transaction value of 238 million [2] - Zhekuang Co., Ltd. (300837) closed at 46.90, down 3.99% with a trading volume of 67,700 shares and a transaction value of 321 million [2] Capital Flow Analysis - The specialized equipment sector experienced a net outflow of 942 million from institutional investors, while retail investors saw a net inflow of 458 million [2] - The top stocks with significant net inflows from retail investors include Shenkai Co., Ltd. (002278) with a net inflow of 274 million [3] - The overall capital flow indicates a mixed sentiment, with institutional investors withdrawing while retail investors are actively buying [2][3]

Group 1 - The company announced that its controlling shareholder Guo Xiansheng and his concerted party Han Luyun have released a total of 10.45 million shares and 8 million shares from pledge, accounting for 4.41% and 11.34% of their respective holdings, and 1.30% and 1.00% of the company's total share capital [1] - The average pledge start date was 12.24 million in 2024, and the release date was 20.26 million in 2026, with the pledgee being Chongqing Xinye Pawn Co., Ltd [1] - A total of 18.45 million shares were released from pledge, representing 2.30% of the company's total share capital [1]

Core Insights - The main focus of the news is the significant inflow of capital into specific stocks, indicating strong investor interest and potential growth in these companies and their respective industries [1][2][3] Group 1: Stock Performance and Capital Inflow - Kunlun Wanwei saw a capital inflow of 795 million yuan with a price increase of 5.82% [2] - Shunhao Co. experienced a capital inflow of 651 million yuan and a price increase of 9.98% [2] - Contemporary Amperex Technology (宁德时代) had a capital inflow of 561 million yuan with a price increase of 1.21% [2] - Kweichow Moutai (贵州茅台) attracted 551 million yuan in capital inflow and increased by 1.3% [2] - Yanzhou Coal Mining Company (兖矿能源) saw a capital inflow of 430 million yuan with a notable increase of 10.01% [2] - Other notable stocks include Shanzhi Gaoke, China Satellite, and China Shipbuilding, each with significant capital inflows and price increases [1][2][3] Group 2: Industry Insights - The internet services sector, represented by Kunlun Wanwei, is showing strong investor confidence [2] - The packaging materials industry, highlighted by Shunhao Co., is also attracting significant capital [2] - The battery industry, represented by Contemporary Amperex Technology, continues to draw investor interest despite a modest price increase [2] - The coal industry, with companies like Yanzhou Coal and Meijin Energy, is experiencing substantial capital inflows, indicating a potential resurgence [2][3] - The aerospace and wind energy sectors, represented by China Satellite and China Shipbuilding, are also gaining traction among investors [1][2][3]

南财智讯2月3日电，博杰股份公告，股东珠海横琴博展投资咨询企业（有限合伙）、珠海横琴博望投资 咨询企业（有限合伙）通过集中竞价交易方式合计减持公司股份528,700股，占公司总股本的0.33%。其 中，横琴博展减持50,700股，占总股本0.03%；横琴博望减持478,000股，占总股本0.30%。本次减持计 划已提前终止。 ...

Group 1 - The company, Meiya Optoelectronics, stated on February 3 that its color selection technology has a wide range of applications [1] - Currently, the company has not ventured into the color selection business for ores [1]

Core Viewpoint - Meiya Optoelectronics (002690.SZ) has indicated that its color selection technology has a wide range of applications, but it has not yet ventured into the mineral color selection business. The company plans to actively explore business areas with good development prospects based on actual market conditions [1] Group 1 - The company is currently not involved in the mineral color selection business [1] - The company is open to expanding into new business areas that show promising growth potential [1]

Group 1 - The specialized equipment sector increased by 3.54% on February 3, with Oat Technology leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] - Key stocks in the specialized equipment sector showed significant price increases, with Oat Technology rising by 18.39% to a closing price of 44.43 [1] Group 2 - The specialized equipment sector saw a net inflow of 1.538 billion yuan from main funds, while retail investors experienced a net outflow of 632 million yuan [2] - The trading volume for Oat Technology was 157,900 shares, with a transaction value of 664 million yuan [1] - The stock performance of various companies in the specialized equipment sector varied, with some experiencing notable declines, such as Daye Co., which fell by 1.30% [2]

证券研究报告·黑龙江省资本市场跟踪报告 2026 年 2 月 3 日 江海证券研究发展部 执业证书编号：S1410524040001 机械军工行业研究组 黑龙江省资本市场跟踪双周报 — — 分析师：张诗瑶 （2026.1.18-2026.1.31） 投资要点： 江海证券有限公司及其关联机构在法律许可的情况下可能与本报告所分析的企业存在业务关系，并且继续寻求发展这些关系。因此，投资者应当考虑到本公司可能存在影响本报告客观性的 利益冲突，不应视本报告为投资决策的唯一因素。 敬请参阅最后一页之免责条款 黑龙江省资本市场跟踪报告 1. 江海证券-黑龙江省资本市场跟踪-黑龙 江省资本市场跟踪双周报— （2025.12.21-2026.1.3)–2026.01.05 2. 江海证券-黑龙江省资本市场跟踪-黑龙 江省资本市场跟踪双周报— （2025.12.7-2025.12.20)–2025.12.22 3. 江海证券-黑龙江省资本市场跟踪-黑龙 江省资本市场跟踪双周报— （2025.11.23-2025.12.6)–2025.12.08 4. 江海证券-黑龙江省资本市场跟踪-黑龙 江省资本市场跟踪双周报— （2025.1 ...

Group 1 - Core viewpoint: Companies are announcing significant financial updates, including profit changes, new product approvals, and share repurchase plans [1][2][3][4][5][6][15] Group 2 - Company: Chip导科技 reported a revenue of 394 million yuan for 2025, a year-on-year increase of 11.52%, but a net profit of 106 million yuan, down 4.91% [1] - Company: 亿帆医药's subsidiary received a drug registration certificate for Vitamin K1 injection, which is used for treating vitamin K deficiency [2] - Company: 勤上股份 announced the termination of its share repurchase plan to stabilize stock prices [3] - Company: 极米科技 plans to repurchase shares worth between 50 million and 100 million yuan for employee stock ownership plans [4] - Company: 凌云光 intends to change the purpose of repurchased shares to cancellation, reducing total share capital from 461 million to 457 million shares [5] - Company: 苏州科达's general manager resigned, and the chairman will take over the role to ensure management continuity [6] - Company: 银轮股份 identified 徐铮铮 as a co-actual controller, following a retrospective recognition [7] - Company: 西南证券 received approval to issue bonds up to 14 billion yuan [8] - Company: 上港集团 expects a 1.3% year-on-year increase in container throughput for January [10] - Company: 宁波富达 plans to distribute a cash dividend of 0.7 yuan per 10 shares, totaling 101 million yuan [11] - Company: 协和电子 is investing 5 million yuan in a venture capital fund to enhance its understanding of high-tech industries [12] - Company: 乐鑫科技's controlling shareholder proposed a share repurchase plan of 50 million to 100 million yuan [13] - Company: 奥瑞德's subsidiary plans to invest approximately 145 million yuan in computing power equipment [14] - Company: 上汽集团 reported a 23.94% year-on-year increase in vehicle sales for January [15] - Company: 道恩股份 plans to acquire a foreign company's plastic business for 15.737 million USD [16] - Company: 红相股份 intends to transfer 100% equity of 南通瀚蓝 for 120 million yuan [17] - Company: 长龄液压 announced a tender offer to acquire 12% of its shares at 35.82 yuan per share [19] - Company: 润都股份 faces uncertainty regarding the approval of its innovative drug [20] - Company: *ST东易's asset injection plans face significant uncertainty [21] - Company: 棒杰股份 is undergoing a restructuring process that could improve its financial structure [22] - Company: 绿联科技 has submitted an application for H-share listing in Hong Kong [23] - Company: ST泉为 is facing a creditor's application for restructuring [24] - Company: 海思科's shareholders plan to reduce their holdings by up to 0.89% [25] - Company: 钧崴电子's shareholder plans to reduce holdings by up to 3% [26]