美年健康股价跌5.09%，国泰基金旗下1只基金重仓，持有346.02万股浮亏损失134.95万元

Group 1 - The core point of the news is that Meinian Health experienced a decline of 5.09% in its stock price, reaching 7.27 yuan per share, with a trading volume of 2.84 billion yuan and a turnover rate of 9.87%, resulting in a total market capitalization of 28.457 billion yuan [1] - Meinian Health is primarily engaged in health check-ups and health management services, with 95.67% of its revenue coming from check-up services and 4.33% from other services [1] Group 2 - From the perspective of major fund holdings, Guotai Fund has a significant position in Meinian Health, with its Guotai Health Stock A fund reducing its holdings by 1.473 million shares in the third quarter, now holding 3.4602 million shares, which constitutes 5.36% of the fund's net value, ranking as the ninth largest holding [2] - The Guotai Health Stock A fund has a total scale of 303 million yuan, with a year-to-date return of 16.32%, ranking 124 out of 5580 in its category, and a one-year return of 21.33%, ranking 3312 out of 4226 [2] Group 3 - The fund manager of Guotai Health Stock A is Xu Zhibiao, who has been in the position for 10 years and 156 days, managing assets totaling 4.327 billion yuan, with the best fund return during his tenure being 201.92% and the worst being -21.69% [3]