连辞三家上市公司独董，“A股大所”负责人疑失联

Core Viewpoint - The resignation of independent director Yang Xiong from three listed companies has raised concerns about his alleged disappearance, bringing attention to Beijing Dehao International, the accounting firm he leads [1][2][5]. Group 1: Resignation of Yang Xiong - Yang Xiong, aged 59, has over 30 years of experience in the accounting industry and has held key management positions in various firms before joining Beijing Dehao International [2][6]. - In a span of one week, Yang resigned from his roles as independent director in three companies, citing "personal reasons" [2][3]. - His absence from board meetings, particularly the lack of prior notice or delegation, is unprecedented and has led to speculation about his well-being [1][5]. Group 2: Impact on Beijing Dehao International - Beijing Dehao International is responsible for auditing over 120 companies for the 2024 fiscal year, ranking 13th among accounting firms in terms of the number of audits [1]. - The firm generated over 190 million yuan in revenue from annual reports and internal control audits for the same period [1]. - The ongoing situation surrounding Yang Xiong's status may affect the firm's reputation and operational stability [11]. Group 3: ST Changyuan's Decision - ST Changyuan, a company under risk warning, has decided to retain Beijing Dehao International as its auditor for the 2025 fiscal year despite internal opposition [1][7]. - The decision was made with a board vote of 9 in favor and 0 against, later corrected to 7 in favor and 2 against, indicating dissent regarding the choice of auditor [7][9]. - Concerns were raised about the quality of the audit due to the firm's previous regulatory issues, which could impact the company's financial reporting and internal control effectiveness [7][8].