又一“老鼠仓”亏损案，基金经理趋同交易3312万，亏损后被罚60万

Core Viewpoint - The article discusses the recent penalty imposed on fund manager Li Dan for engaging in insider trading, highlighting the regulatory scrutiny and consequences faced by financial professionals involved in such activities [3][4][7]. Summary by Sections Case of Li Dan - Li Dan, a former fund manager at Guoshou Anbao, was fined 600,000 yuan for using undisclosed information to conduct trades, resulting in significant losses [4][7]. - The Tianjin Securities Regulatory Bureau concluded the investigation into Li Dan's trading activities, which involved a total of 33.12 million yuan in transactions, with a loss incurred [7][8]. Fund Performance - During her tenure, the fund managed by Li Dan, Guoshou Anbao Core Industry Fund, experienced a loss of 7.77%, ranking 716th out of 789 similar products [8]. - Other funds managed by Li Dan also showed poor performance, with most of them ranking in the lower half of their respective categories [8]. Regulatory Context - The article emphasizes the strict penalties imposed by regulatory bodies on fund managers involved in insider trading, regardless of whether the trades resulted in profits [10][12]. - Similar cases are mentioned, illustrating a pattern of enforcement against fund managers who engage in insider trading practices, reinforcing the regulatory environment's focus on maintaining market integrity [10][12].