Market Performance - The ChiNext Index rose by 2.61%, closing at 2534.22 points, with a total trading volume of 660.17 billion yuan, an increase of 8.84 billion yuan compared to the previous trading day [1] - Among the tradable ChiNext stocks, 1247 stocks closed higher, with 35 stocks rising over 10%, including Henghe Precision, Yidong Electronics, and Zhongfu Circuit, which hit the daily limit [1] Trading Activity - The average turnover rate for the ChiNext today was 5.45%, with 60 stocks having a turnover rate exceeding 20% [1] - C Guangjian Technology, a new stock listed for 5 days, had the highest turnover rate at 55.24%, closing down by 1.41% [1][2] Institutional Participation - Nine high turnover rate stocks appeared on the Dragon and Tiger List, indicating institutional involvement, with significant net purchases in stocks like Shuangyi Technology and Yihua New Materials [3] - The top net purchases were led by Chuanhuan Technology, with a net inflow of 136 million yuan from the Shenzhen Stock Connect [3] Financial Performance - Among high turnover stocks, Shuangyi Technology, Yangfan New Materials, and Taicheng Technology reported significant net profit growth of 324.50%, 208.94%, and 118.02% respectively [4] - The highest projected net profit growth was for Hanyu Pharmaceutical, with an expected increase of 1567.36% [4] Stock Highlights - Key stocks with notable performance included: - C Guangjian Technology: closed at 37.00 yuan, down 1.41%, turnover rate 55.24%, net outflow of 28.78 million yuan [4] - Zhejiang Huaye: closed at 64.83 yuan, up 13.92%, turnover rate 54.35%, net inflow of 51.36 million yuan [4] - Shuangyi Technology: closed at 38.68 yuan, up 15.39%, turnover rate 40.64%, net inflow of 21.80 million yuan [4]

Market Overview - As of August 15, the Shanghai Composite Index closed at 3696.77 points, up 30.33 points, with a gain of 0.83% [1] - The Shenzhen Component Index closed at 11634.67 points, up 183.23 points, with a gain of 1.60% [1] - The ChiNext Index closed at 2534.22 points, up 64.56 points, with a gain of 2.61% [1] Trading Activity - A total of 126 A-shares had a turnover rate exceeding 20% on this day [1] - Notable stocks with high turnover rates included: - C Guangjian Technology (301632) with a turnover rate of 55.24% and a closing price of 37.00 yuan, down 1.41% [1] - Zhejiang Huaye (301616) with a turnover rate of 54.35% and a closing price of 64.83 yuan, up 13.92% [1] - Zhigao Machinery (920101) with a turnover rate of 52.54% and a closing price of 55.14 yuan, down 4.37% [1] - Hengbao Co., Ltd. (002104) with a turnover rate of 51.62% and a closing price of 29.01 yuan, up 7.36% [1] Notable Stocks - Other stocks with significant turnover rates included: - Fangsheng Co., Ltd. (832662) at 46.66% turnover, closing at 39.24 yuan, up 7.83% [1] - Beiwai Technology (002148) at 45.39% turnover, closing at 13.35 yuan, up 3.97% [1] - Biaobang Co., Ltd. (301181) at 42.83% turnover, closing at 33.77 yuan, up 5.10% [1] - Innovative Medical (002173) at 42.25% turnover, closing at 26.67 yuan, up 7.02% [1] - Yihau New Materials (301176) at 41.84% turnover, closing at 34.51 yuan, up 11.72% [1]

Core Viewpoint - Guangdong JianKe officially listed on the Shenzhen Stock Exchange on August 12, marking a new chapter in its development in the capital market [1] Group 1: Company Background - Guangdong JianKe, formerly known as Guangdong Provincial Institute of Building Science, was established in 1958 and transformed into a joint-stock company in 2014 [3] - The company adheres to the mission of "innovative development, serving society," focusing on safety, green, low-carbon, and smart development concepts [3] - It has become a benchmark enterprise in the construction engineering field, combining technical depth with service breadth [3] Group 2: Future Outlook - The company aims to become an internationally leading construction technology developer, with a vision to actively engage in emerging fields such as low-altitude economy and urban renewal [7] - It plans to explore applications like drone inspections and continue to deepen its technological frontiers [7] - The company seeks to expand "smart + green" application scenarios, aligning its corporate value with national strategies and industry progress [7]

天眼查商业履历信息显示，广东省建筑科学研究院集团股份有限公司，成立于2013年，位于广州市，是 一家以从事专业技术服务业为主的企业。企业注册资本31390万人民币，实缴资本31390万人民币。公司 法定代表人为陈少祥。 通过天眼查大数据分析，广东省建筑科学研究院集团股份有限公司共对外投资了13家企业，参与招投标 项目2957次，知识产权方面有商标信息92条，专利信息412条，此外企业还拥有行政许可58个。 来源：金融界 金融界消息 截至2025年8月14日收盘，C广建科（301632）报收于37.53元，下跌13.92%，换手率 68.1%，成交量46.89万手，成交金额19.65亿元。 资金流向方面，今日主力资金净流出3835.59万元，占比成交额1.95%。其中，超大单净流入3130.89万 元、占成交额1.59%，大单净流出6966.48万元、占成交额3.54%，中单净流出流出5509.89万元、占成交 额2.8%，小单净流入9345.48万元、占成交额4.75%。 广东建科最新一期业绩显示，截至2025一季报，公司营业总收入2.02亿元、同比增长1.70%，归属净利 润1407.04万元，同比减少34 ...

证券日报网讯广东建科8月14日在互动平台回答投资者提问时表示，公司对雅鲁藏布江墨脱水电站项目 保持高度关注，未来公司将积极寻求参与同企业自身技术与装备相适应的项目业务机会，但存在不确定 性。 ...

Core Insights - The company, Guangdong JianKe, is leveraging advanced large models to develop intelligent agents capable of performing various functions such as enterprise consulting, bidding assistance, contract review, PPT generation, and reading assistance [1] Company Summary - Guangdong JianKe has announced its capabilities in utilizing mature large models to create intelligent agents [1] - The intelligent agents can assist in multiple areas including enterprise consulting and contract review [1]

Core Viewpoint - Guangdong Jiankang's subsidiary, Guangdong Jiankang Yuansheng Engineering Testing Co., Ltd., holds five categories of Class A qualifications for water conservancy engineering quality testing, indicating its capability to undertake large-scale water conservancy testing projects [1] Company Summary - The company possesses Class A qualifications in five categories: metal structure, mechanical and electrical, concrete engineering, measurement, and geotechnical engineering [1] - The applicability of these qualifications to the Yarlung Tsangpo River Motuo Hydropower Station project requires further analysis [1]

Core Viewpoint - The company is actively engaged in research related to green building technologies aimed at achieving carbon peak goals and is involved in the formulation of standards for "green low-carbon technology" [1] Group 1 - The company has conducted multiple research projects focused on key technologies for green buildings [1] - The company is participating in the development of various standards related to green low-carbon technology [1] - The company will continue to explore business opportunities in the western region, although there are uncertainties involved [1]

Group 1 - The company Guangdong Jiankang has a wholly-owned subsidiary, Guangdong Jiankang Transportation Engineering Quality Testing Center Co., Ltd., which holds qualifications for highway and waterway engineering quality testing, including Class A highway engineering and specialized qualifications for bridge and tunnel engineering [1] - The company is monitoring the progress of the New Tibet Railway project and is actively seeking business participation opportunities, although there are uncertainties involved [1]

格隆汇8月14日丨广东建科(301632.SZ)于投资者互动平台表示，目前公司开展了海上风电基础设施运维 技术等技术的研究，未来公司将持续在海洋经济领域进行探索，持续进行市场跟踪。 【免责声明】本文仅代表作者本人观点，与和讯网无关。和讯网站对文中陈述、观点判断保持中立，不 对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考，并请自行承担 全部责任。邮箱：news_center@staff.hexun.com ...