Core Viewpoint - The Shanghai Securities Regulatory Commission has publicly announced an administrative penalty against fund manager Yang Ningjia for engaging in "rat trading," resulting in a fine of 500,000 yuan while managing products that suffered nearly 40% losses [2][3][4]. Group 1: Case Details - Yang Ningjia, previously a fund manager at Hai Fu Tong Fund Management Co., was found to have used his position to guide others in synchronized trading, which is a typical "rat trading" behavior [3][4]. - The penalty decision revealed that Yang had access to non-public information regarding fund holdings and trading details, which he exploited for personal gain [3][4]. - The regulatory framework explicitly prohibits fund personnel from leaking non-public information obtained through their positions for trading purposes [4]. Group 2: Performance Issues - During Yang Ningjia's tenure, the funds he managed, such as Hai Fu Tong Electronic Media A and C, reported significant underperformance, with returns of -37.79% and -39.31% respectively, falling far short of performance benchmarks [5][6]. - The Hai Fu Tong New Domestic Demand Mixed Fund, which Yang managed for over a year, also showed poor performance with returns of -19.69% and -19.84% [5][6]. Group 3: Compliance and Regulatory Concerns - The incident has raised concerns about compliance shortcomings at Hai Fu Tong Fund Management, which has faced similar scandals in the past, including a previous case involving another fund manager, Xie Zhigang, who was penalized for similar violations [8]. - Despite advancements in monitoring technologies like AI and big data, violations continue to occur, indicating potential systemic issues within the company's internal controls [8]. - The recent appointment of a new chairman, Xie Lebin, who is recognized as a risk management expert, has led to expectations for improved governance and compliance within the firm [8].