万通发展董事长被拘留，公司一周前遭问询“是否存内幕交易”

Core Viewpoint - Wantong Development (600246.SH) faces a significant challenge as its actual controller and chairman, Wang Yihui, is under investigation by the Beijing Public Security Bureau, leading to a temporary leadership change within the company [2][4]. Group 1: Company Leadership and Governance - Wang Yihui's family received a detention notice from the police, prompting the board to appoint CEO Qian Jinzhu as the acting chairman and legal representative [2]. - The company asserts that the investigation is unrelated to its daily operations and maintains a robust corporate governance structure, with management responsibilities continuing as normal [4]. Group 2: Stock Market Reaction - Following the announcement, Wantong Development's stock experienced a significant drop, initially hitting the daily limit down before recovering slightly, ultimately closing down by 7.62% [5]. Group 3: Company Background and Financial Performance - Wang Yihui has a history in the industry, having previously served as vice chairman of Beijing Pioneer Grain and Agricultural Industry Co., which went public in 2000 [7]. - Wantong Development has struggled financially in recent years, with revenues of 422 million yuan, 487 million yuan, and 494 million yuan for 2022, 2023, and 2024 respectively, and net losses of 263 million yuan, 329 million yuan, and 498 million yuan during the same period [8]. Group 4: Strategic Initiatives - In an effort to pivot the company, Wantong Development announced plans to invest 854 million yuan to acquire a 62.98% stake in Beijing Shudu Information Technology Co., which specializes in high-speed interconnect chip design [9]. - The stock price had already surged prior to the announcement, prompting the Shanghai Stock Exchange to issue an inquiry regarding the transaction's details and potential insider trading concerns [10][11].