Market Overview - The A-share market showed weakness today, with the Shanghai Composite Index closing down by 0.18% and a total trading volume of 1.02 trillion yuan. Over 2,600 stocks rose while 2,576 fell, with 95 stocks hitting the daily limit up and 5 hitting the limit down [1]. Sector Performance - The agricultural chemical sector saw significant gains in the afternoon, with Zhongqi Co. hitting the daily limit up. Other stocks like Zhongnong United, Guangxin Co., and Lier Chemical also reached the limit up [1]. - Consumer goods stocks performed strongly throughout the day, particularly in the beverage manufacturing and clothing sectors, which had the highest gains [1]. Historical Highs - A total of 23 stocks reached historical closing highs today, with a concentration in the machinery equipment, pharmaceutical biology, and food and beverage sectors, featuring 6, 5, and 2 stocks respectively [2]. - The average increase for stocks that reached historical highs was 6.98%, with notable gainers including Hahai Huadong, Jinlongyu, and Jinghua Laser [2]. Institutional Activity - In the institutional trading board, 10 stocks saw net purchases from institutions, with Xinghui Co. leading at a net buy of 34.13 million yuan, followed by Qingdao Jinwang at 26.84 million yuan [5]. - Conversely, stocks like Xindadi and Nuofeng experienced net sales exceeding 40 million yuan [4]. Northbound Capital - Northbound capital saw net purchases in stocks like Greebo and Fenghuo Electronics exceeding 20 million yuan, while net sales over 20 million yuan were recorded for Baili Electric and San Sheng Guo Jian [6]. Corporate Announcements - Sichuan Road and Bridge is planning to acquire 100% equity of Chengdu Xinzhu Transportation Technology Co. from its controlling shareholder, which is expected to constitute a related party transaction [7]. - Muyuansheng has submitted an application for issuing H-shares and listing on the Hong Kong Stock Exchange [7]. - Keke Technology plans to repurchase shares for an employee stock ownership plan, with a budget of 10 to 20 million yuan [7]. - Zhizhi Co. announced a commitment from its controlling shareholder to not reduce their holdings from May 30 to December 31, 2025 [8].

中科海讯（300810）公告，公司与某客户签订了《某信息处理分系统采购项目合同》，合同期限自合同 生效之日起至本合同规定的权利与义务完成后终止，合同金额为人民币1.63亿元。该合同占公司2024年 度经审计主营业务收入的68.00%，预计将对公司未来经营业绩产生积极影响。合同已正式签署并生 效，合同双方均具有相应的履约能力，但在合同履行过程中，如遇不可抗力或其他因素的影响，可能会 导致合同无法如期或全面履行、交付及验收进度存在不确定性。 ...