科创50指数今日下跌0.22%，报收995.49点，科创板全日成交量22.90亿股，成交额738.13亿元，加权平 均换手率为1.36%。 证券时报·数据宝统计显示，今日可交易科创板股中，157只股收盘上涨，涨幅超过10%的有3只，涨幅 在5%至10%的有13只，收盘下跌的有422只，跌幅超10%的有1只。 科创板股换手率区间分布显示，换手率超过20%的有2只，换手率10%~20%的有7只，换手率5%~10%的 28只，换手率3%~5%的69只，换手率1%~3%的297只，换手率不足1%的有184只。 换手率最高的是C汉邦，该股为上市5日内的新股，跌幅为4.82%，换手率34.54%，日成交额2.73亿元， 全天主力资金净流出2755.93万元。其次是中邮科技，该股今日收盘上涨18.18%，全天换手率23.29%， 成交额7.28亿元，换手率居前的还有利扬芯片、航天南湖、胜科纳米等，换手率分别为16.39%、 16.05%、12.22%。 | 688716 | 中研股份 | 37.95 | -3.70 | 8.20 | -1232.95 | | --- | --- | --- | --- | --- | -- ...

Core Insights - The total margin balance of the STAR Market reached 152.449 billion yuan on May 20, 2025, an increase of 0.359 billion yuan from the previous trading day [1] - The financing balance was 151.911 billion yuan, up by 0.358 billion yuan, while the securities lending balance was 0.0538 billion yuan, increasing by 1.1362 million yuan [1] Recent Margin Trading Overview - On May 19, 2025, the total margin balance was 152.090 billion yuan, with a slight increase of 0.044 billion yuan [1] - On May 16, 2025, the total margin balance decreased to 1520.47 billion yuan, down by 0.410 billion yuan [1] - The highest recorded margin balance in the recent period was 159.715 billion yuan on April 3, 2025 [1] - The margin balance has shown fluctuations, with notable decreases on April 8 and April 7, 2025, where it dropped significantly by 4.164 billion yuan and 7.222 billion yuan respectively [1]

Core Viewpoint - Xiamen Hengkang New Materials Technology Co., Ltd. (referred to as "Hengkang New Materials") is progressing with its IPO on the Sci-Tech Innovation Board, having recently disclosed responses to the first round of inquiry letters from the Shanghai Stock Exchange regarding various aspects of its business and financials [1][4]. Financial Performance - Hengkang New Materials reported revenues of approximately 322 million yuan, 368 million yuan, and 548 million yuan for the years 2022, 2023, and 2024, respectively, with corresponding net profits of approximately 101 million yuan, 89.84 million yuan, and 96.92 million yuan [4]. - The company's bank deposits were approximately 603 million yuan, 619 million yuan, and 654 million yuan, while bank borrowings were approximately 101 million yuan, 346 million yuan, and 633 million yuan during the same period [4][5]. Inventory Management - The company's inventory balance increased significantly, with figures of approximately 51.49 million yuan, 125 million yuan, and 165 million yuan for 2022, 2023, and 2024, respectively. The inventory turnover rates were 2.03 times/year, 1.57 times/year, and 1.74 times/year, all below the industry average [6][7]. - The increase in inventory is attributed to rising production volumes and the need to maintain safety stock due to long supplier delivery times and the development of new products [7]. Supplier Dependency - Hengkang New Materials relies heavily on a few suppliers, with the top five suppliers accounting for approximately 74.98%, 75%, and 75.44% of total purchases during the reporting period. The largest supplier accounted for 52.04%, 40.02%, and 51.53% of purchases [8]. - The company is addressing its dependency on foreign suppliers by focusing on domestic production of key raw materials and increasing the proportion of self-produced products [8].

Group 1 - The Shanghai Stock Exchange Composite Index increased by 0.38%, while the Shanghai National New Sci-Tech Board State-Owned Enterprise Index decreased by 0.19%, closing at 972.15 points with a trading volume of 11.629 billion yuan [1] - The Shanghai National New Sci-Tech Board State-Owned Enterprise Index has risen by 1.13% over the past month, declined by 4.42% over the past three months, and increased by 0.12% year-to-date [1] - The index reflects the overall performance of state-owned enterprises listed on the Sci-Tech Board, selected from securities listed on the Sci-Tech Board that are either state-owned enterprises or have state capital participation without actual control [1] Group 2 - The top ten weighted stocks in the index include: China Resources Microelectronics (5.98%), Haiguang Information (5.73%), Western Superconducting (5.41%), Huahai Qingke (5.32%), SMIC (5.21%), Jinghe Integrated (3.97%), Zhongwei Company (3.90%), Huahong Semiconductor (3.66%), Zhongke Star Map (3.63%), and China Communication Signal (3.22%) [1] - The index's holdings are entirely from the Shanghai Stock Exchange, with a 100% allocation [1] - The industry composition of the index includes: Information Technology (53.86%), Industrial (30.03%), Materials (9.96%), Healthcare (3.53%), and Communication Services (2.62%) [2] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day following the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with the periodic sample adjustments, which are fixed until the next scheduled adjustment unless a special situation arises [2] - Companies that are delisted or undergo mergers, acquisitions, or splits will be processed according to the calculation and maintenance guidelines [2]

科创50指数今日上涨0.24%，报收997.68点，科创板全日成交量22.28亿股，成交额728.96亿元，加权平 均换手率为1.32%。 证券时报·数据宝统计显示，今日可交易科创板股中，407只股收盘上涨，涨幅超过10%的有7只，涨幅 在5%至10%的有24只，收盘下跌的有175只。 科创板股换手率区间分布显示，换手率超过20%的有3只，换手率10%~20%的有4只，换手率5%~10%的 34只，换手率3%~5%的62只，换手率1%~3%的309只，换手率不足1%的有175只。 换手率最高的是C汉邦，该股为上市5日内的新股，收盘涨幅5.69%，换手率50.32%，日成交额3.89亿 元，全天主力资金净流入1365.88万元。其次是航天南湖，该股今日收盘下跌6.42%，全天换手率 29.39%，成交额8.53亿元，换手率居前的还有利扬芯片、中邮科技、春立医疗等，换手率分别为 22.58%、18.99%、13.61%。 统计显示，换手率超5%的高换手率个股中，C汉邦为上市5日内的新股。 市场表现看，换手率超5%的个股中，今日上涨的有30只，涨幅居前的有荣昌生物、益方生物、利扬芯 片等，分别上涨16.09%、15 ...

Group 1 - The Shanghai Stock Exchange successfully held an online training session on "Science and Technology Innovation Board Market Promotion and QFII Policy Interpretation" [1] - The training attracted 73 institutions from regions including Southeast Asia, the Middle East, the United States, and Europe, with over a hundred representatives participating [1] - The training covered three main themes: the achievements and investment advantages of the Science and Technology Innovation Board, in-depth interpretation of QFII policies, and detailed introduction of QFII qualification application and related custody service processes [1] Group 2 - The Shanghai Stock Exchange plans to continue enhancing the depth and breadth of services for international investors [1] - The exchange aims to effectively communicate the story of China's capital market, increase mutual understanding and trust, deepen communication and cooperation, and expand cooperation areas [1] - The initiative is part of efforts to promote high-level two-way opening of the capital market [1]

登录新浪财经APP 搜索【信披】查看更多考评等级 上交所修订并发布《上海证券交易所科创板上市公司自律监管指引第1号——规范运作（2025年5月修 订）》，自发布之日起施行。该修订进一步规范科创板上市公司的运作行为，强化信息披露要求，优化 公司治理结构，提升市场透明度和合规性。 证监会发布《上市公司募集资金监管规则》，明确要求科创板上市公司募集资金应坚持专款专用，优先 用于主营业务，禁止用于永久补充流动资金或偿还银行借款。规则强调对擅自改变募集资金用途及使用 进度缓慢等行为从严监管，并要求上市公司及时披露募投项目延期情况，确保资金使用透明合规。 科创板政策及行业动态一览： l 科创板政策与行业动向： 证监会发布的《上市公司募集资金监管规则》对科创板市场影响深远，其明确要求科创板公司募集资金 必须专款专用、优先投入主营业务，严格禁止用于永久补流或偿贷，并强化对资金挪用、进度滞后等行 为的监管力度，同时要求及时披露募投项目延期信息。 这一政策直接针对科创板企业普遍存在的研发周期长、资金需求大等特点，通过限制资金用途并提升透 明度，既防止了企业通过"伪科创"概念套现或转移资金，又倒逼企业聚焦核心技术攻关和实体项目落 ...

转自：新华财经 新华财经北京5月20日电（罗浩）科创50指数5月20日早间小幅高开，指数盘初回踩缺口后快速反弹，涨 近0.5%后有所回落，此后震荡上扬，午后涨幅收窄，收盘时小幅上涨。至收盘时，科创50指数报997.68 点，涨幅0.24%，指数振幅为0.83%，总成交额约175.15亿元。 20日，科创综指小幅高开，指数盘初震荡上扬，午后窄幅整理，收盘时涨0.53%，收于1178.22点，总成 交额约729亿元，成交额微幅放量。 科创板整体行情延续活跃态势，5月20日创下阶段新高的科创板股票继续增多。经新华财经统计，5月20 日创下2025年以来新高、30个交易日新高、20个交易日新高的科创板股票家数分别为32只、76只，109 只，上一交易日相关数据分别为24只、48只、59只。 细分领域方面，20日生物制药股涨幅靠前，三生国健、荣昌生物、益方生物、科兴制药分别上涨 19.99%、16.09%、15.62%、15.56%，居当日科创板涨幅前四位。20日，科创板中的部分医疗保健股、 家用电器股、矿物制品股亦有较大幅度上涨。 经新华财经统计，5月20日，科创板587只个股平均涨幅0.98%，平均换手率2.16% ...

Core Insights - The total margin financing balance on the STAR Market increased by 403.81 million yuan compared to the previous trading day, with a total balance of 152.09 billion yuan as of May 19 [1][2] - The highest margin financing balance is held by SMIC at 7.528 billion yuan, followed by Cambrian and Haiguang Information with balances of 5.059 billion yuan and 3.331 billion yuan respectively [1][2] - A total of 310 stocks saw an increase in margin financing balance, while 273 stocks experienced a decrease [1] Margin Financing Summary - The total margin financing balance on the STAR Market reached 151.55 billion yuan, with an increase of 403.81 million yuan from the previous day [1] - The stocks with the largest increases in margin financing balance include Bohui Technology (59.26%), Sanlife Guojian (32.93%), and Maide Medical (22.88%) [1][2] - The stocks with the largest decreases in margin financing balance include Jingpin Special Equipment (-20.31%), Xingtuxinke (-14.87%), and Weidian Physiological (-12.91%) [1] Margin Short Selling Summary - The highest margin short selling balance is held by Haiguang Information at 21 million yuan, followed by Cambrian and SMIC with balances of 19 million yuan and 17 million yuan respectively [2] - A total of 150 stocks saw an increase in margin short selling balance, while 115 stocks experienced a decrease [2] - The stocks with the largest increases in margin short selling balance include Electric Wind Power (264.23%), Xidi Micro (185.14%), and Minxin Shares (94.16%) [2] - The stocks with the largest decreases in margin short selling balance include Baijin Medical (-100.00%), Liyuanheng (-97.23%), and Shengyi Electronics (-60.57%) [2]

| 日期 | 两融余额（亿元） | 较上一交易日增减（亿元） | 融资余额（亿元） | 融券余额（亿元） | | --- | --- | --- | --- | --- | | 2025.05.19 | 1520.90 | 0.44 | 1515.53 | 5.37 | | 2025.05.16 | 1520.47 | -4.10 | 1515.13 | 5.34 | | 2025.05.15 | 1524.57 | -4.08 | 1519.25 | 5.32 | | 2025.05.14 | 1528.65 | 1.92 | 1523.32 | 5.33 | | 2025.05.13 | 1526.72 | -0.28 | 1521.36 | 5.36 | | 2025.05.12 | 1527.01 | 0.32 | 1521.70 | 5.30 | | 2025.05.09 | 1526.69 | 10.10 | 1521.44 | 5.24 | | 2025.05.08 | 1516.59 | 8.66 | 1511.13 | 5.46 | | 2025.05.07 | 1507.93 | 6.43 ...