Core Viewpoint - Several listed companies in the Shanghai and Shenzhen markets announced significant updates, including changes in control, regulatory measures, and sales performance, which may present investment opportunities and risks for investors [2]. Company Announcements - Zhongying Electronics announced that its controlling shareholder is planning a change in control, leading to a suspension of trading from June 9, 2025, for up to two trading days [3]. - ST Lutong received an administrative regulatory measure from the Jiangsu Securities Regulatory Bureau due to internal control deficiencies and failure to disclose significant lawsuits and account freezes [4]. - Lianhua Technology clarified that it does not directly produce chlorantraniliprole and that the related matters have limited impact on its overall business [5]. - Longshen Rongfa's subsidiary received a CNAS laboratory accreditation certificate, which is expected to positively influence future operations, though it will not significantly impact current performance [6]. Sales Performance - Yisheng Co. reported a significant increase in May sales of breeding pigs, with a total of 10,849 heads sold, representing a year-on-year increase of 207.08% [7]. Shareholding Changes - Shentong Technology's shareholder, Biheng Investment, plans to reduce its stake by up to 3%, equating to a maximum of 12.88 million shares [8]. - Ruoyuchen's shareholder, Langzi Co., intends to reduce its stake by up to 3%, not exceeding 4.7681 million shares [9]. - Oujing Technology's shareholder, Wanzhao Huigu, plans to reduce its stake by up to 3%, equating to a maximum of 5.7722 million shares [10]. - Jindan Technology's shareholder, Guangzhou Chengxin, plans to reduce its stake by up to 2.93%, equating to a maximum of 5.635 million shares [11]. - Huashu Gaoke's shareholder, Guotou Chuangye Fund, plans to reduce its stake by up to 2.2%, equating to a maximum of 9.1117 million shares [12]. - Zhongke Soft's shareholder, Kesuan Chuangyuan, plans to reduce its stake by up to 2%, equating to a maximum of 16.6208 million shares [13]. - Hengrun Co. announced multiple shareholders planning to reduce their stakes, with total reductions not exceeding 1.89% of the company's shares [14]. - Del Shares' shareholder, Wuxu 15 Fund, plans to reduce its stake by up to 1.987%, equating to a maximum of 3 million shares [15]. - Jian Ke Yuan's shareholder, Jian Ke Investment, plans to reduce its stake by up to 1% [17]. - Mindong Electric's shareholder, Fujian Investment Development Group, plans to reduce its stake by up to 1% [18]. - Puli Software's chairman and executives plan to reduce their stakes by a total of up to 0.69% [19].