Group 1 - The core viewpoint of the news is that Xingyuan Material has experienced a decline in stock price, with a cumulative drop of 5.6% over three consecutive days, currently trading at 12.48 yuan per share and a market capitalization of 16.24 billion yuan [1] - Xingyuan Material's main business involves the research, production, and sales of lithium-ion battery separators, with 99.08% of its revenue coming from this segment [1] - The company was established on September 17, 2003, and went public on December 1, 2016 [1] Group 2 - According to data, a fund under Yinhua Fund holds a significant position in Xingyuan Material, with 7,300 shares in the Chuangye 200 ETF Yinhua (159575), accounting for 1% of the fund's net value [2] - The fund has incurred a floating loss of approximately 1,752 yuan today and a total floating loss of 5,402 yuan during the three-day decline [2] - The Chuangye 200 ETF Yinhua (159575) was established on December 20, 2023, with a latest scale of 9.2491 million yuan and has achieved a year-to-date return of 22.98% [2] Group 3 - The fund managers of Chuangye 200 ETF Yinhua are Zhang Yichi and Tan Yuefeng, with Zhang having a tenure of 4 years and 104 days and a total asset scale of 7.781 billion yuan [3] - During Zhang's tenure, the best fund return was 51.29%, while the worst was -35.59% [3] - Tan has a tenure of 3 years and 251 days, managing assets totaling 11.108 billion yuan, with a best return of 57.68% and a worst return of -44.45% during his tenure [3]