Core Viewpoint - Wantong Development (600246.SH) announced that its actual controller and chairman, Wang Yihui, is under investigation by the Beijing Public Security Bureau, which has led to a significant drop in the company's stock price, closing at 9.58 yuan per share, down 9.96% on the day of the announcement [1][3][4]. Group 1: Company Management and Governance - Wang Yihui's family informed the company about his detention, stating that the investigation is unrelated to the company's daily operations [1]. - Following the announcement, the company held a board meeting where CEO Qian Jinzhu assumed the responsibilities of chairman and legal representative until Wang Yihui resumes his duties or a new chairman is elected [3]. - Wang Yihui, aged 71, has held various significant positions in other companies, including being the chairman of Jiayuan Oriental Holdings [5]. Group 2: Financial Performance and Market Reaction - On the day of the announcement, Wantong Development's stock price fell sharply, reaching the daily limit down, with a closing price of 9.58 yuan per share and a total market capitalization of 18.1 billion yuan [3][4]. - The company is expected to report a net loss of between 22 million to 33 million yuan for the first half of 2025, influenced by macroeconomic factors and a lack of market demand recovery [11]. Group 3: Strategic Developments - Wantong Development plans to invest 854 million yuan to acquire a 62.98% stake in Beijing Shudu Information Technology Co., which will become a subsidiary, marking a strategic shift towards the digital technology sector [6][7]. - The acquisition aims to transition the company from real estate to integrated circuits and AI infrastructure, despite Shudu Technology's ongoing financial losses [7][8]. - Shudu Technology reported a revenue of 16.28 million yuan and a net loss of 35.98 million yuan for the first half of 2025, raising regulatory concerns regarding the transaction's rationale and payment arrangements [8][9].