Core Viewpoint - On July 23, the Shanghai Composite Index rose by 0.01%, with institutional investors appearing on the trading lists of 31 stocks, net buying 17 and net selling 14 [1] Institutional Trading Summary - Institutional special seats were present in 31 stocks, with a total net selling amount of 437 million yuan, marking the fourth consecutive day of net selling [1] - The stock with the highest net buying amount was Tianshan Shares, which closed down 6.27% with a turnover rate of 3.18% and a transaction amount of 1.371 billion yuan, net buying 60.08 million yuan by institutional seats [2] - Shangfeng Cement closed down 9.27% with a turnover rate of 7.12% and a transaction amount of 675 million yuan, net buying 53.10 million yuan by institutional seats [2] - Qingyun Technology closed up 15.09% with a turnover rate of 24.52% and a transaction amount of 924 million yuan, net buying 48.72 million yuan by institutional seats [2] Market Performance Analysis - A backtest of stocks with net institutional buying over the past month showed a 48.97% probability of rising the next day and a 46.90% probability of outperforming the Shanghai Composite Index [3] - Among the stocks with net institutional buying, 8 companies released half-year performance forecasts, with 2 expecting profit increases and 1 expecting profit [3] - Sichuan Jinding had the highest expected net profit increase of 25.50 million yuan, representing a year-on-year increase of 328.45% [3] Detailed Institutional Trading Data - The following stocks had significant institutional net buying on July 23: - Tianshan Shares: -6.27% change, 3.18% turnover, 60.08 million yuan net buying [4] - Shangfeng Cement: -9.27% change, 7.12% turnover, 53.10 million yuan net buying [4] - Qingyun Technology: +15.09% change, 24.52% turnover, 48.72 million yuan net buying [4][5] Stock Connect Activity - On July 23, 18 stocks on the trading list had appearances from the Shenzhen-Hong Kong Stock Connect, with net buying in stocks like Xue Ren Group and Zhongyuan Haike, totaling 132 million yuan and 26.31 million yuan respectively [6] - Stocks with net selling included Haixia Shares and Lansheng Shares, with net selling amounts of 51.60 million yuan and 40.99 million yuan respectively [6][7]

Market Overview - As of July 23, the Shanghai Composite Index closed at 3582.30 points, with a slight increase of 0.44 points, representing a change of 0.01% [1] - The Shenzhen Component Index closed at 11059.04 points, down by 40.79 points, a decrease of 0.37% [1] - The ChiNext Index closed at 2310.67 points, with a minor decline of 0.19 points, or 0.01% [1] Trading Activity - A total of 101 A-shares had a turnover rate exceeding 20% on this day, indicating significant trading activity [1] - Notably, C Shanda and C Jiyuan had turnover rates above 50%, with 82.89% and 80.75% respectively, indicating a high level of liquidity and interest in these stocks [1] Top Stocks by Turnover Rate - C Shanda (301609) closed at 66.85 CNY, with a turnover rate of 82.89% and a remarkable increase of 356.00% [1] - C Jiyuan (603262) closed at 40.75 CNY, with a turnover rate of 80.75% and a significant rise of 274.54% [1] - Other notable stocks with high turnover rates include: - Guanlong Energy (301151) at 24.11 CNY, turnover rate of 72.29%, down by 5.67% [1] - Weiman Sealing (301161) at 29.81 CNY, turnover rate of 66.12%, down by 16.05% [1] - Southern Road Machinery (603280) at 34.75 CNY, turnover rate of 64.76%, up by 10.00% [1] Additional Noteworthy Stocks - Other stocks with notable trading activity include: - Sichuan Jinding (600678) at 11.15 CNY, turnover rate of 51.91%, down by 4.21% [1] - Baijia Technology (835857) at 9.56 CNY, turnover rate of 47.74%, up by 17.16% [1] - Jindun Co. (300411) at 15.77 CNY, turnover rate of 43.27%, down by 1.93% [1]

Core Viewpoint - The announcement details a significant change in the shareholding structure of Beijing Qingyun Technology Group Co., Ltd., specifically a reduction in the stake held by a major shareholder, Guangdong Hengqin Zhaosheng Ruixin Investment Center (Limited Partnership) from 5.00% to 4.00% [1][2]. Group 1: Shareholding Changes - The major shareholder, Hengqin Zhaosheng, reduced its holdings by a total of 477,997 shares, which represents a decrease of 1.00% in ownership [1]. - The shareholding before the change was 2,390,184 shares (5.00%), which decreased to 1,912,187 shares (4.00%) after the reduction [1]. - The reduction was executed through a combination of market transactions, including 232,424 shares sold in the open market and 245,573 shares sold via block trading [1]. Group 2: Compliance and Impact - The reduction in shareholding does not trigger mandatory tender offer obligations and is in compliance with previously disclosed share reduction plans [1]. - This change in shareholding does not affect the control structure of the company, as it does not lead to a change in the controlling shareholder or actual controller [1][2]. - The company emphasizes that this reduction will not have a significant impact on its governance structure or ongoing operations [1].

北京青云科技集团股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的 提示性公告 投资者广东横琴昭盛睿信投资中心（有限合伙）保证向本公司提供的信息真实、 准确、完整，没有虚假记载、误导性陈述或重大遗漏。 证券代码：688316 证券简称：青云科技 公告编号：2025-034 1 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： | 权益变动方向 | 比例增加□ | | 比例减少☑ | | --- | --- | --- | --- | | 权益变动前合计比例 | 5.00% | | | | 权益变动后合计比例 | 4.00% | | | | 本次变动是否违反已作出的承 | 是□ | 否☑ | | | 诺、意向、计划 | | | | | 是否触发强制要约收购义务 | 是□ | 否☑ | | 一、信息披露义务人及其一致行动人的基本信息 1.身份类别 投资者及其一致行动人的身份 □控股股东/实际控制人及其一致行动人 ☑其他 5%以上大股东及其一致行动人 □合并口径第一大股东及其一致行动人（仅适用 于无控股股东、实际控制人） □其他______________（请注明） 2. ...

Summary of Key Points Core Viewpoint - On July 18, a total of 16 stocks on the Sci-Tech Innovation Board (STAR Market) experienced block trading, with a cumulative transaction amount of 171 million yuan, indicating active trading activity in this sector [1]. Group 1: Trading Activity - A total of 31 block trades were recorded, with a cumulative trading volume of 4.8367 million shares [1]. - The stock with the highest transaction amount was Haitan Ruisheng, which had 9 block trades totaling 38.30 million shares and a transaction amount of 38.30 million yuan [1]. - Other notable stocks in terms of transaction amounts included Guangyun Technology and Fuchuang Precision, with transaction amounts of 24.9162 million yuan and 20.9360 million yuan, respectively [1]. Group 2: Price and Discount Analysis - The stocks that experienced the highest discount rates relative to their closing prices included Qingyun Technology, Weixin Bio, and Guangyun Technology, with discount rates of 19.48%, 17.25%, and 14.95%, respectively [1]. - The average increase for the stocks involved in block trading was 2.55%, with the top gainers being Dema Technology, Qingyun Technology, and Huasheng Lithium, which saw increases of 14.74%, 7.90%, and 7.22% respectively [1]. Group 3: Institutional Participation - Among the block trades, 12 transactions involved institutional buyers or sellers, with the highest buying amounts for Haitan Ruisheng, Guangyun Technology, and Qingyun Technology, at 27.70 million yuan, 11.2276 million yuan, and 7.579 million yuan, respectively [2]. - In terms of net capital flow, six stocks saw net inflows, with Dema Technology, Huasheng Lithium, and Qingyun Technology leading with net inflows of 51.1035 million yuan, 33.284 million yuan, and 32.1246 million yuan, respectively [2].

Market Performance - The Sci-Tech Innovation Board (STAR Market) index rose by 0.19%, closing at 1007.53 points, with a total trading volume of 3.622 billion shares and a turnover of 124.775 billion yuan, resulting in an average turnover rate of 2.02% [1] - Among the tradable stocks on the STAR Market, 324 stocks closed higher, with 9 stocks experiencing a rise of over 10%, including Electric Wind Power, Fumiao Technology, and Shangwei New Materials, which hit the daily limit [1] - The distribution of turnover rates shows that 2 stocks had turnover rates exceeding 20%, 24 stocks had rates between 10% and 20%, and 59 stocks had rates between 5% and 10% [1] High Turnover Stocks - The stock with the highest turnover rate was Xinyuren, which closed up by 3.51% with a turnover rate of 23.24% and a transaction amount of 368 million yuan [3] - Other notable stocks included Aerospace Nanhu, which rose by 5.00% with a turnover rate of 20.06%, and Suochen Technology, which had a turnover rate of 19.66% [3] Sector Analysis - In terms of sector performance, the pharmaceutical and biotechnology sector had the most stocks with a turnover rate exceeding 5%, totaling 32 stocks, followed by the computer and electronics sectors with 18 and 7 stocks, respectively [2] - Among the high turnover stocks, 58 stocks rose today, with Fumiao Technology, Olin Biology, and DeMa Technology leading with increases of 20.02%, 18.93%, and 14.74%, respectively [2] Capital Flow - In terms of capital flow, 48 stocks with high turnover rates saw net inflows from main funds, with the highest net inflows recorded for Youkede, Kaiyin Technology, and Rongchang Biology, amounting to 104 million yuan, 9.403 million yuan, and 6.991 million yuan, respectively [2] - Conversely, the stocks with the largest net outflows included Guokexingong, Maiwei Biology, and Jiayuan Technology, with net outflows of 239 million yuan, 16.9 million yuan, and 13.4 million yuan, respectively [2] Leverage Fund Movements - A total of 51 stocks with high turnover rates recently received net purchases from leveraged funds, with notable increases in financing balances for Gaoce Shares, Shijia Photon, and Weixin Biology, which saw increases of 72.986 million yuan, 71.531 million yuan, and 71.373 million yuan, respectively [2]

Summary of Key Points Core Viewpoint - The resignation of Mr. Wang Yifeng, the Vice General Manager of Beijing Qingyun Technology Group Co., Ltd., is due to personal reasons, and it will not affect the company's normal operations and management [1][2]. Group 1: Management Changes - Mr. Wang Yifeng submitted his resignation on July 16, 2025, and will no longer hold any position within the company after his resignation [1]. - The resignation is effective immediately upon the board's receipt of the resignation report, and Mr. Wang has completed the necessary work handover [1]. - Mr. Wang did not directly hold any shares in the company and held shares indirectly through partnerships [1]. Group 2: Company Impact - The company confirms that Mr. Wang's departure will not impact its normal operations and management [1]. - The board expresses gratitude for Mr. Wang's contributions during his tenure [2].

重要内容提示： 北京青云科技集团股份有限公司（以下简称"公司"）董事会于 2025 年 7 月 16 日收到副总经理王义峰先生的书面辞职报告，因个人原因，王义峰先生向 公司董事会申请辞去公司副总经理职务，辞职后，王义峰先生将不再担任公司任 何职务。 证券代码：688316 证券简称：青云科技 公告编号：2025-033 北京青云科技集团股份有限公司 关于公司副总经理离任的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 一、高级管理人员离任情况 | 姓名 | 离任职务 | 离任时间 | | 原定任期到期 | 离任原因 | 是否继续在上 市公司及其控 | 是否存在未 履行完毕的 | | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | 日 | | 股子公司任职 | 公开承诺 | | 王义峰 | 副总经理 | 2025 年 7 | 月 | 第二届董事会 | 个人原因 | 否 | 是 | | | | 日 16 | | 任期届满之日 | | | | (一)提前离任的 ...

证券代码：688316 证券简称：青云科技 公告编号：2025-032 北京青云科技集团股份有限公司 一、独立董事离任情况 (一)提前离任的基本情况 | | | | 原定任期 | | 是否继续在上 | 是否存在未 | | --- | --- | --- | --- | --- | --- | --- | | 姓名 | 离任职务 | 离任时间 | 到期日 | 离任原因 | 市公司及其控 | 履行完毕的 | | | | | | | 股子公司任职 | 公开承诺 | | | 独立董事、提名委员 会委员、战略委员会 | 公司股东会选 | 第二届董 | 连续担任 独立董事 | 否 | | | 李星 | 委员、薪酬与考核委 | 举产生新任独 | 事会任期 | | | 否 | | | | 立董事之日 | 届满之日 | 满六年 | | | | | 员会委员 | | | | | | (二)离任对公司的影响 关于公司独立董事任期届满离任的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 北京青云科技集团股份有限公司（以下简称"公 ...

Group 1 - The Shanghai Stock Exchange has released the "Self-Regulatory Supervision Guidelines for Companies Listed on the Sci-Tech Innovation Board No. 5 - Sci-Tech Growth Tier" [1] - The reform does not impose additional listing thresholds for unprofitable companies entering the Sci-Tech Growth Tier, allowing 32 existing unprofitable companies to enter immediately upon the guideline's implementation [1] - Newly registered unprofitable companies will enter the Sci-Tech Growth Tier from the date of their listing [1] Group 2 - Investors participating in the subscription and trading of newly registered stocks in the Sci-Tech Growth Tier must sign a "Risk Disclosure Statement for the Sci-Tech Growth Tier" [2] - The 32 existing companies that have not yet removed the "U" designation include: Zejing Pharmaceutical, Junshi Biosciences, Frontier Biotech, Qingyun Technology, Hehui Optoelectronics, Jingjin Electric, BeiGene, Dize Pharmaceutical, Maiwei Biotech, Aojie Technology, Yuhong Pharmaceutical, Shouyao Holdings, Haichuang Pharmaceutical, CloudWalk Technology, Yifang Biotech, Obsidian Optics, Mengke Pharmaceutical, Nuo Cheng Jianhua, Xinke Mobile, Xinghuan Technology, Yutai Micro, Yuntian Lifa, Tianzhihang, Qi Anxin, Hanwujin, Yihua Tong, Aifute, Huizhiwei, Xinlian Integrated, Zhixiang Jintai, Shengke Communication, and Zhongjuxin [2]