603508，副总经理被留置，股价提前大跌

Core Viewpoint - The company Siwei Liekong (603508) announced that its Vice President Zhao Jianzhou has been placed under investigation by the Tianjin Binhai New Area Supervisory Committee, which has led to significant stock price volatility and a recent decline in share value [1][3][5]. Group 1: Company Announcement - On November 3, Siwei Liekong received notification regarding Zhao Jianzhou's investigation, but stated that neither the company nor its subsidiaries have been asked to assist in the investigation [3]. - The company maintains a robust organizational structure and governance system, with all other board members and senior executives continuing their duties normally [3]. Group 2: Shareholder Information - As of the end of Q3 this year, Zhao Jianzhou holds 43.4865 million shares, representing 11.41% of the total share capital, making him the third-largest shareholder [4]. Group 3: Stock Performance - Following a period of rising stock prices, Siwei Liekong experienced a sharp decline in trading volume, with a significant drop on October 31, where the stock closed at the daily limit down [5]. - On November 3, the stock fell by 9.87%, with a trading volume of 6.27 billion yuan and a turnover rate of 6.03% [5]. Group 4: Market Activity - Post-market data indicated that the Shanghai Stock Connect bought 13.363 million yuan and sold 47.9925 million yuan, with four institutional seats net selling 125 million yuan [7]. Group 5: Financial Performance - For the first three quarters of 2025, Siwei Liekong reported revenue of 953 million yuan, a year-on-year increase of 5.25%, and a net profit attributable to shareholders of 396 million yuan, up 20.98% [8]. - The net operating cash flow reached 498 million yuan, reflecting a substantial year-on-year increase of 102.5%, indicating stable performance [8].