实控人刘建德被实施留置和立案调查，科思科技开盘跌停

Core Viewpoint - Kexin Technology (688788) experienced a limit down opening at 71.24 yuan per share following the announcement of its actual controller and director Liu Jiande being placed under investigation and unable to fulfill his duties [1] Company Summary - Kexin Technology's stock opened at a limit down price of 71.24 yuan per share on August 20 [1] - The company disclosed that Liu Jiande, its actual controller and director, received a "Notice of Detention" and "Notice of Case Filing" from a national supervisory committee, indicating he is under investigation [1] - Due to the investigation, Liu Jiande is temporarily unable to perform his director responsibilities [1]