New Stock Issuance - Multiple new stock issuances are scheduled for November 4, 2025, across various companies, including ST Zhongdi (000609) and Pingtan Development (000592) which reported significant abnormal fluctuations[1] - Jiangbolong (301308) and Xiangnong Xinchuan (300475) are among the companies with recent announcements prior to November 4, 2025[1] Abnormal Fluctuations - Pingtan Development (000592) reported severe abnormal fluctuations on November 4, 2025, indicating potential volatility in its stock performance[1] - Other companies such as ST Panda (600599) and ST Huapeng (603021) also reported abnormal fluctuations on the same date, suggesting a trend of instability in the market[1] Market Trends - The report highlights a growing trend of companies experiencing abnormal stock price movements, which may indicate increased market volatility and investor caution[1] - The presence of multiple companies with abnormal fluctuations could signal a broader market trend that investors should monitor closely[1]

Market Performance - The ChiNext Index rose by 0.29%, closing at 3196.87 points, with a total trading volume of 540.37 billion yuan, a decrease of 54.98 billion yuan compared to the previous trading day [1] - Among the tradable ChiNext stocks, 966 stocks closed higher, with 17 stocks rising over 10%, including ST Lifan, Baose Co., and Meirui New Materials, which hit the daily limit [1] - 409 stocks closed lower, with 2 stocks declining over 10% [1] Turnover Rate - The average turnover rate for the ChiNext today was 4.04%, with 22 stocks having a turnover rate exceeding 20% [1] - The highest turnover rate was for Rongxin Culture at 54.80%, closing up 1.52%, with a trading volume of 1.18 billion yuan [3] - Other notable stocks with high turnover rates included Haike New Source at 44.19% (closing down 13.85%) and Yunhan Xincheng at 43.99% (closing up 11.81%) [3] Institutional Activity - Five high turnover ChiNext stocks appeared on the Dragon and Tiger List, with four stocks showing institutional activity [3] - Haike New Source had a net sell of 27.84 million yuan from four institutional seats, while Rongxin Culture had a net sell of 62.31 million yuan from six institutional seats [3] - The top net buying stocks included Baicheng Medicine and Fushi Holdings, with net buying amounts of 107 million yuan and 45.51 million yuan, respectively [3] Fund Flow - Among high turnover stocks, 14 stocks saw net inflows from main funds, with Rongxin Culture, Baicheng Medicine, and Fushi Holdings receiving the most significant inflows of 140 million yuan, 128 million yuan, and 119 million yuan, respectively [3] - Conversely, BlueFocus, Haixia Innovation, and Haike New Source experienced the largest net outflows of 623 million yuan, 133 million yuan, and 108 million yuan, respectively [3]

Core Viewpoint - Yunhan Chip City experienced a significant increase of 11.81% in its stock price, with a trading volume of 1.335 billion yuan and a turnover rate of 43.99% on the day of reporting [2] Trading Activity - The stock was listed on the Dragon and Tiger list due to its turnover rate reaching 43.99%, with institutional investors net selling 40.36 million yuan [2] - A total of six institutional special seats were involved in trading, with a combined buying amount of 171 million yuan and a selling amount of 212 million yuan, resulting in a net sell of 40.36 million yuan [2] Historical Performance - Over the past six months, the stock has appeared on the Dragon and Tiger list 14 times, with an average price increase of 7.24% the day after being listed and an average increase of 16.85% in the following five days [2] Capital Flow - On the reporting day, the stock saw a net inflow of 63.57 million yuan from major funds, including a net inflow of 31.37 million yuan from large orders and 32.20 million yuan from significant orders [2] - However, over the past five days, there has been a net outflow of 269 million yuan from major funds [2]

Core Viewpoint - Yunhan Chip City announced plans to increase capital for its wholly-owned subsidiary, Shanghai Yunhan Software Technology Co., Ltd., to implement a fundraising project focused on upgrading a big data center and component trading platform [2] Group 1: Company Actions - The company will use RMB 19.15 million to increase the capital of Yunhan Software, raising its registered capital from RMB 10 million to RMB 29.15 million [2] - The capital increase is aimed at ensuring the smooth implementation of the fundraising project [2] - The capital increase does not constitute a related party transaction or a major asset restructuring, and does not require shareholder approval [2]

Core Points - Yunhan Chip City announced on November 3 that it will hold the 23rd meeting of the third board of directors on November 3, 2025, to review the proposal for adjusting the internal investment structure of fundraising projects and adding new implementation entities for some fundraising projects [2] - The company approved the addition of its wholly-owned subsidiary, Shanghai Yunhan Software Technology Co., Ltd., as the implementation entity for the fundraising project "Big Data Center and Component Trading Platform Upgrade Project" without changing the investment purpose and scale [2] - The internal investment structure of the fundraising projects "Big Data Center and Component Trading Platform Upgrade Project" and "Intelligent Shared Warehouse Construction Project" will be adjusted [2]

Group 1 - The company Yunhan Chip City announced the nomination of candidates for its fourth board of directors [2] - The nominated non-independent directors include Zeng Ye, Liu Yunfeng, Li Wenfa, Zhou Shaojun, Zhou Xuefeng, and Li Jianfeng [2] - The nominated independent directors include Ye Qinhua, Ping Qingzhong, and Yang Jian [2]

Group 1 - The company Yunhan Chip City held its 23rd meeting of the third board of directors on November 3, 2025, discussing the revision of the "Board Secretary Work Rules" [1] - The meeting was conducted in a hybrid format, combining in-person and communication methods [1]

国金证券股份有限公司 关于云汉芯城（上海）互联网科技股份有限公司调整募投项目 内部投资结构及部分募投项目新增实施主体的核查意见 国金证券股份有限公司（以下简称"国金证券"、"保荐人"或"保荐机构"） 作为云汉芯城（上海）互联网科技股份有限公司（以下简称"云汉芯城"或"公 司"）首次公开发行股票并在创业板上市的保荐人，根据《证券发行上市保荐业 务管理办法》《深圳证券交易所创业板股票上市规则》《深圳证券交易所上市公司 自律监管指引第 2 号——创业板上市公司规范运作》以及《深圳证券交易所上 市公司自律监管指引第 13 号——保荐业务（2025 年修订）》等法规和规范性文 件的要求，就公司调整募投项目内部投资结构及部分募投项目新增实施主体的事 项进行了核查，并出具核查意见如下： 一、募集资金的基本情况 经中国证券监督管理委员会（以下简称"中国证监会"）《关于同意云汉芯城 （上海）互联网科技股份有限公司首次公开发行股票注册的批复》（证监许可 〔2025〕1615 号）同意注册，公司首次公开发行人民币普通股（A 股）1,627.9025 万股，每股面值人民币 1.00 元，每股发行价格为 27.00 元，募集资金总额为 ...

国金证券股份有限公司 关于云汉芯城（上海）互联网科技股份有限公司 使用募集资金向全资子公司增资以实施募投项目的核查意见 国金证券股份有限公司（以下简称"国金证券"、"保荐人"或"保荐机构"） 作为云汉芯城（上海）互联网科技股份有限公司（以下简称"云汉芯城"或"公 司"）首次公开发行股票并在创业板上市的保荐人，根据《证券发行上市保荐业 务管理办法》《深圳证券交易所创业板股票上市规则》《深圳证券交易所上市公司 自律监管指引第 2 号——创业板上市公司规范运作》以及《深圳证券交易所上 市公司自律监管指引第 13 号——保荐业务（2025 年修订）》等法规和规范性文 件的要求，就公司拟使用募集资金向全资子公司增资以实施募投项目的事项进行 了核查，并出具核查意见如下： 一、募集资金的基本情况 三、公司使用募集资金向全资子公司增资的情况 根据《云汉芯城（上海）互联网科技股份有限公司首次公开发行股票并在创 业板上市招股说明书》中募投项目的拟实施主体以及公司第三届董事会第二十三 次会议审议通过的《关于调整募投项目内部投资结构及部分募投项目新增实施主 体的议案》，公司募投项目中"大数据中心及元器件交易平台升级项目"的实施 主体 ...

云汉芯城(上海)互联网科技股份有限公司 董事会议事规则 第一条 宗旨 为了进一步规范云汉芯城(上海)互联网科技股份有限公司(以下简称"公 司")董事会的议事方式和决策程序, 促使董事和董事会有效地履行其职 责, 提高董事会规范运作和科学决策水平, 根据《中华人民共和国公司 法》《上市公司治理准则》《深圳证券交易所创业板股票上市规则》(以 下简称"《上市规则》")以及《云汉芯城(上海)互联网科技股份有限公司 章程》 (以下简称"公司章程")等有关规定, 制定本规则。 董事会秘书兼任公司证券事务部负责人, 保管董事会印章。 第四条 董事会专门委员会 公司董事会设立审计委员会、战略委员会、提名委员会、薪酬与考核委 员会, 公司董事会还可根据需要设立其他委员会。专门委员会对董事会 负责, 依照公司章程和董事会授权履行职责, 专门委员会的提案应当提 交董事会审议决定。 专门委员会成员全部由董事组成, 其中审计委员会成员为 3 名以上, 应 当为不在公司担任高级管理人员的董事, 其中独立董事应当过半数。 第二条 董事会的组成 董事会由 9 名董事组成, 其中独立董事 3 名。 董事会设董事长 1 人, 不设副董事长。董事 ...