中证2000ETF国泰（561370）涨0.90%，半日成交额62.79万元

Group 1 - The core point of the article highlights the performance of the Zhongzheng 2000 ETF Guotai (561370), which increased by 0.90% to 1.567 yuan with a trading volume of 627,900 yuan as of the midday close [1] - The fund's performance benchmark is the Zhongzheng 2000 Index return, managed by Guotai Fund Management Co., Ltd. The fund has achieved a return of 55.53% since its establishment on September 13, 2023, but has seen a decline of 0.98% over the past month [1] - The article lists the performance of major stocks within the ETF, including Jia Mei Packaging down 9.99%, Pingtan Development up 0.64%, Hangyu Technology down 3.58%, and Tianji Shares up 9.07% among others [1] Group 2 - The fund managers are identified as Ma Yiwen and Liu Fangyuan, indicating a specific management team responsible for the fund's performance [1] - The article provides a detailed breakdown of the performance of individual stocks within the ETF, showcasing the volatility and mixed performance of the underlying assets [1]