Group 1 - The core issue revolves around the suspicion of insider trading related to a major restructuring announcement by a listed company, with stock prices surging over 10% on the last trading day before suspension and a cumulative increase of 109.6% for the year [1] - The company claims that there were no abnormal price fluctuations prior to the announcement, with a cumulative price change of only 14.55% when excluding industry influences [1] - The significant increase in stock price and the company's extremely high dynamic P/E ratio raise concerns about potential hidden forces at play, suggesting a need for regulatory investigation [1] Group 2 - There is an urgent need to clarify the standards for initiating investigations into suspected insider trading related to major restructurings, as current processes consume substantial resources [2] - The presence of abnormal stock price fluctuations is a prerequisite for identifying the harm caused by insider trading, indicating that larger price movements warrant closer scrutiny by regulatory bodies [2] - It is suggested that abnormal price movement indicators should be established as key criteria for initiating investigations into insider trading cases related to major restructurings [2] Group 3 - Regulatory bodies should focus on identifying the parties involved in insider trading, including company executives and shareholders, as well as those who may have obtained insider information through illegal channels [3] - A robust monitoring and early warning mechanism for insider trading should be established, utilizing advanced technologies like big data and AI to analyze trading patterns and identify suspicious accounts [3] - Investigations should be initiated if there are connections between suspicious trading activities and individuals with insider knowledge [3] Group 4 - A collaborative regulatory approach is necessary for addressing significant insider trading cases, with resources concentrated on major cases while lighter cases may be handled through delegated investigations [4] - Coordination with judicial authorities and industry associations is essential to create a comprehensive regulatory framework [4] - There should be strict measures in place to pause the review of restructuring applications if there are ongoing investigations into insider trading, ensuring a fairer market environment for small investors [4]