Core Points - The China Securities Regulatory Commission (CSRC) Shanghai Regulatory Bureau has issued an administrative penalty decision against Yang Moujia for insider trading, resulting in a fine of 500,000 yuan [1][4] - Yang Moujia, while serving as a fund manager, used undisclosed information to suggest trading activities to Chen Moudong, leading to the violation of the Fund Law [2][4] - The decision highlights the issue of "mouse warehouse" in the fund management industry, indicating potential systemic risks [2][4] Group 1: Administrative Penalty - Yang Moujia was fined 500,000 yuan for using undisclosed information to influence trading activities [1][4] - The CSRC found that Yang's actions violated Article 20, Item 6 of the Fund Law, constituting a breach as per Article 123, Paragraph 1 of the same law [4] Group 2: Background Information - Yang Moujia's professional background includes roles as a stock analyst, senior stock analyst, and fund manager at a fund management company [5] - There is a notable similarity between Yang Moujia and former Hai Fu Tong Fund manager Yang Ningjia, who managed several funds before resigning [6][7] - Yang Ningjia's resignation on October 14, 2024, was initially attributed to personal reasons, but the recent exposure of insider trading raises questions about the true motive [8] Group 3: Fund Performance - During Yang Ningjia's tenure, several funds under his management reported poor performance, with one fund showing a return close to -40% over three years and another close to -20% over one year [9]