Group 1 - The core point of the news is the appointment of Zhang Chaoliang as the new fund manager for the Jiashi CSI Subdivided Chemical Industry Theme Index Fund (013527), effective from August 28, 2025, replacing Wang Zihan [1] - As of August 27, 2025, the net value of the Jiashi CSI Subdivided Chemical Industry Theme Index Fund was 0.8219, reflecting a decrease of 1.93% from the previous day, while it has increased by 32.5% over the past year [1] Group 2 - Zhang Chaoliang holds a bachelor's degree from Beijing University of Posts and Telecommunications and a master's degree from the Chinese Academy of Sciences [2] - His previous roles include positions at Guojin Fund Management, Huaxia Fund Management, and Founder Fubon Fund Management, where he served as a quantitative analyst, investment manager, and fund manager [2] - Zhang has managed several public funds, achieving notable returns, such as 62.82% for Jiashi Zhongchuang 400 ETF [4] Group 3 - The Jiashi CSI Subdivided Chemical Industry Theme Index Fund has undergone a management change, which may impact its future performance and investment strategy [1][2] - The fund's recent performance indicates a volatile market environment, with a significant annual increase juxtaposed against a recent daily decline [1]