21世纪经济报道·2025-07-26 03:38Core Viewpoint - Four listed companies, including Ruibeka, *ST Wanfang, Taiyuan Heavy Industry, and *ST Mubang, have been investigated by the China Securities Regulatory Commission (CSRC) for suspected violations of information disclosure regulations [1][2]. Group 1: Ruibeka - Ruibeka and its controlling shareholder received a notice from the CSRC for suspected violations of information disclosure laws [3]. - The company, known as the "wig first stock," has a market value of 4.2 billion yuan and has been named by regulators twice this year [4][5]. - The company was found to have five violations, including failure to disclose non-operating fund transactions with related parties and insufficient provision for inventory impairment [6][7]. - Ruibeka reported a net loss of 118 million yuan for 2024 and failed to disclose its performance forecast within the required timeframe, leading to further regulatory actions [8]. Group 2: *ST Wanfang - *ST Wanfang announced it is under investigation by the CSRC for suspected information disclosure violations [9]. - The company faced public condemnation from the Shenzhen Stock Exchange for failing to timely disclose significant events and inaccurate performance forecasts [10]. - The company revised its 2024 performance forecast multiple times, ultimately reporting a net profit of 10.65 million yuan but a net loss of 4.6 million yuan after adjustments [11]. - The company is also facing potential changes in control due to a court decision to auction off shares held by its major shareholder [12]. Group 3: Taiyuan Heavy Industry - Taiyuan Heavy Industry received a notice from the CSRC for suspected information disclosure violations [12]. - The controlling shareholder plans to increase its stake in the company by investing between 80 million and 160 million yuan within the next 12 months [13]. - The company has not faced recent administrative penalties, with the last warning dating back to the end of 2023 for failing to disclose significant transactions and financial inaccuracies [14][15]. Group 4: *ST Mubang - *ST Mubang is under investigation by the CSRC for suspected false disclosures in its financial reports [16][17]. - The company has been flagged for multiple violations, including accounting errors and improper use of raised funds, with significant amounts of non-operating fund occupation reported [19]. - The controlling shareholder is facing financial difficulties, with a debt-to-asset ratio of 121.64% and zero revenue reported in the past year [21].