以上内容为证券之星据公开信息整理，由AI算法生成(网信算备310104345710301240019号)，不构成投 资建议。 证券之星消息，8月20日A股收盘，上证指数报收3766.21，上涨1.04%；深圳成指报收11926.74，上涨 0.89%。 当日创业板换手率前10大个股中7只个股收涨，平均涨幅3.56%，其中广东建科（301632）以换手率 62.27%排第一，7只个股近5个交易日中多次上榜。 ...

（原标题：广东建科换手率66.58%，机构龙虎榜净买入8647.85万元） 广东建科今日涨停，全天换手率66.58%，成交额19.03亿元，振幅26.74%。龙虎榜数据显示，机构净买入8647.85万元，营业部席位合计净买入1.11 亿元。 深交所公开信息显示，当日该股因日收盘价涨幅达20.00%、日换手率达66.58%上榜，机构专用席位净买入8647.85万元。 证券时报•数据宝统计显示，上榜的前五大买卖营业部合计成交3.76亿元，其中，买入成交额为2.87亿元，卖出成交额为8963.53万元，合计净买入 1.97亿元。 具体来看，今日上榜的营业部中，共有2家机构专用席位现身，即买三、买四，合计买入金额8954.36万元，卖出金额306.51万元，合计净买入 8647.85万元。 资金流向方面，今日该股主力资金净流入4.06亿元，其中，特大单净流入4.15亿元，大单资金净流出868.72万元。近5日主力资金净流入4.61亿元。 （数据宝） 广东建科8月19日交易公开信息 数字经济ETF (产品代码: 560800) ★ 跟踪：中证数字经济主题指数 近五日涨跌:6.38% 市盈率: 65.96倍 资金流向：最 ...

Core Viewpoint - The professional services sector experienced a slight increase of 0.27% on August 19, with Guangdong Jianke leading the gains, while the overall market indices showed minor declines [1] Group 1: Market Performance - The Shanghai Composite Index closed at 3727.29, down 0.02% [1] - The Shenzhen Component Index closed at 11821.63, down 0.12% [1] Group 2: Individual Stock Performance - Guangdong Jianke (301632) closed at 44.36, up 19.99% with a trading volume of 458,500 shares and a transaction value of 1.903 billion yuan [1] - Lingdian Youshu (301169) closed at 48.16, up 3.21% with a trading volume of 31,500 shares and a transaction value of 151 million yuan [1] - Jianyan Institute (603183) closed at 4.58, up 3.15% with a trading volume of 151,000 shares and a transaction value of 6.83084 million yuan [1] - Anbang Guard (603373) closed at 56.03, up 2.08% with a trading volume of 37,500 shares and a transaction value of 207 million yuan [1] - Zhongjin Fuzhao (300962) closed at 18.34, up 1.78% with a trading volume of 82,700 shares and a transaction value of 151 million yuan [1] - Zhonggang Tianyuan (002057) closed at 10.47, up 1.75% with a trading volume of 460,100 shares and a transaction value of 478 million yuan [1] - Kaipu Testing (300008) closed at 23.01, up 1.50% with a trading volume of 20,500 shares and a transaction value of 4.67427 million yuan [1] - Anche Testing (300572) closed at 26.25, up 1.12% with a trading volume of 159,800 shares and a transaction value of 417 million yuan [1] - Miao Conference (300795) closed at 15.49, up 0.58% with a trading volume of 31,100 shares and a transaction value of 4.80736 million yuan [1] - Yuanjian Group (603060) closed at 7.17, up 0.56% with a trading volume of 69,100 shares and a transaction value of 4.92956 million yuan [1] Group 3: Capital Flow - The professional services sector saw a net inflow of 250 million yuan from institutional investors, while retail investors experienced a net inflow of 42.7344 million yuan [1] - However, there was a net outflow of 293 million yuan from speculative funds [1]

Group 1 - The company is actively responding to the national low-altitude economy development strategy and has developed a safety inspection technology for building curtain walls and windows based on drone-mounted platforms [2] - The company utilizes advanced large models in the market to build an intelligent assistant named "Keke," which can perform functions such as enterprise consulting, bidding assistance, contract review, PPT generation, and reading assistance [2] - The company has a relationship with DEEPSEEK, which is one of the large models that Keke calls upon for its functionalities [2]

Market Overview - As of August 18, the Shanghai Composite Index closed at 3728.03 points, up 31.26 points, with a gain of 0.85% [1] - The Shenzhen Component Index closed at 11835.57 points, up 200.90 points, with a gain of 1.73% [1] - The ChiNext Index closed at 2606.20 points, up 71.98 points, with a gain of 2.84% [1] Trading Activity - A total of 186 A-shares had a turnover rate exceeding 20% on the same day [1] - Notable stocks with high turnover rates included: - Zhongjie Automobile (59.76% turnover, 16.00% increase) [1] - Guangdong Jianke (56.89% turnover, -0.08% change) [1] - Beifang Changlong (54.08% turnover, 15.02% increase) [1] - Fangsheng Co. (51.84% turnover, 22.07% increase) [1] - Guanlong Energy-saving (50.81% turnover, 20.02% increase) [1] - Kexin Information (50.69% turnover, 19.99% increase) [1] Notable Stocks - The following stocks had significant trading activity and price changes: - Zhongjie Automobile: Closed at 43.42 yuan, with a turnover rate of 59.76% and a price increase of 16.00% [1] - Guangdong Jianke: Closed at 36.97 yuan, with a turnover rate of 56.89% and a slight decrease of 0.08% [1] - Beifang Changlong: Closed at 170.88 yuan, with a turnover rate of 54.08% and a price increase of 15.02% [1] - Fangsheng Co.: Closed at 47.90 yuan, with a turnover rate of 51.84% and a price increase of 22.07% [1] - Guanlong Energy-saving: Closed at 26.26 yuan, with a turnover rate of 50.81% and a price increase of 20.02% [1]

Group 1: Weekly New Stock Performance - Two new stocks were listed last week (August 11 - August 15), with an average first-day price increase of 324.82%[2] - Both new stocks, Zhigao Machinery and Guangdong Jianke, saw first-day gains exceeding 100%[2] - There were no instances of first-day price declines among new listings last week[2] Group 2: Weekly New Stock Issuance Trends - The total amount raised from new stock issuances last week was 10.61 billion yuan, a decrease of 1.085 billion yuan compared to the previous week[3] - The number of new stocks listed last week was 2, down from 3 in the prior week[4] - The average first-day price increase for new stocks last week was significantly higher than the previous week's average of 191.43%[4] Group 3: Monthly New Stock Trends - From August 1 to August 15, there were 5 new stocks listed, raising a total of 32.06 billion yuan[9] - The average first-day price increase for new stocks during this period was 244.78%[9] - The first-day price increase range for new stocks was between 140.68% and 418.45%[9] Group 4: Upcoming New Stock Listings - One new stock, Hongyuan Co., is scheduled to be listed on August 20, with an issue price of 9.17 yuan and an issuance P/E ratio of 12.34[14] - This week, one stock, Balanshi, is available for online subscription, with an expected fundraising amount of 3.00 billion yuan[15] Group 5: Risk Considerations - New stock performance is influenced by market sentiment, and poor market conditions may adversely affect new stock issuance[16] - Newly listed stocks may experience significant price volatility due to limited liquidity and lower circulating shares[16]

Group 1 - The company Guangdong JianKe stated on August 15 that it has not yet engaged in specific business cooperation with Yushu Technology [1]

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]