汇成真空股价跌5.03%，东方基金旗下1只基金重仓，持有5900股浮亏损失4.81万元

Group 1 - The core point of the news is that Huicheng Vacuum's stock price has dropped by 5.03%, currently trading at 154.00 CNY per share, with a market capitalization of 15.4 billion CNY [1] - Huicheng Vacuum Technology Co., Ltd. specializes in the research, production, and sales of vacuum coating equipment, with its main business revenue composition being: industrial vacuum coating equipment 49.29%, other consumer products 19.27%, scientific research 10.64%, consumer electronics 9.91%, technical services and others 5.88%, and accessories and consumables 5.01% [1] Group 2 - From the perspective of fund holdings, one fund under Dongfang Fund has a significant position in Huicheng Vacuum, with the Dongfang Specialized and New Mixed Fund A holding 5,900 shares, accounting for 4.04% of the fund's net value [2] - The Dongfang Specialized and New Mixed Fund A has achieved a year-to-date return of 46% and a one-year return of 54.09%, ranking 1327 out of 8162 and 1052 out of 8015 respectively in its category [2] Group 3 - The fund manager of Dongfang Specialized and New Mixed Fund A is Chen Hao, who has been in the position for 3 years and 85 days, with the fund's total asset size being 91.84 million CNY [3] - During Chen Hao's tenure, the best fund return was 34.41%, while the worst return was -39.86% [3]