券商“老鼠仓”案频发，又有投资部总经理涉案7.6亿没赚又被罚

Core Viewpoint - The regulatory authorities are intensifying efforts to combat insider trading, particularly focusing on the "rat trading" activities of securities industry personnel, as evidenced by recent penalties imposed on individuals involved in such practices [1][2][3]. Group 1: Regulatory Actions - On November 11, the Heilongjiang Securities Regulatory Bureau announced a fine of 4.7 million yuan against a securities firm investment department manager, Tang Mouming, for trading based on undisclosed information and other violations [1][2]. - This year, multiple cases of securities personnel being penalized for "rat trading" have been reported, indicating a trend of increased regulatory scrutiny [3]. Group 2: Specific Cases - Tang Mouming utilized undisclosed information to conduct trades through various accounts, with a total trading amount of 551.35 million yuan, of which 77.54% was aligned with his overall buying activities, yet he reported no illegal gains [2]. - Other notable cases include penalties against individuals from Xiangcai Securities and Huatai Securities for similar violations, with fines totaling 18.42 million yuan and significant trading amounts involved [3]. Group 3: Industry Insights - Experts highlight that "rat trading" exacerbates information asymmetry in the securities market and reflects a lack of professional ethics among some industry personnel [4][5]. - Recommendations for reducing such incidents include strengthening legal frameworks, enhancing deterrent measures, and employing big data technologies to improve the identification and enforcement of insider trading activities [5].