洁美科技股价涨5.27%，永赢基金旗下1只基金重仓，持有2.75万股浮盈赚取4.29万元

Group 1 - The core point of the news is that Jiemai Technology's stock has seen a significant increase, rising 5.27% to 31.16 CNY per share, with a total market capitalization of 13.428 billion CNY and a trading volume of 165 million CNY [1] - Jiemai Technology has experienced a continuous stock price increase for three consecutive days, with a cumulative increase of 3.68% during this period [1] - The company, Zhejiang Jiemai Electronic Technology Co., Ltd., specializes in the research, production, and sales of electronic component thin carrier tapes, with its main business revenue composition being 83.94% from electronic packaging materials, 12.02% from electronic-grade film materials, and 4.04% from other sources [1] Group 2 - From the perspective of major fund holdings, Yongying Fund has a significant position in Jiemai Technology, with its fund "Yongying Hejia One-Year Holding Mixed A" holding 27,500 shares, accounting for 0.21% of the fund's net value, ranking as the ninth largest holding [2] - The fund has generated an estimated floating profit of approximately 42,900 CNY today, with a floating profit of 28,900 CNY during the three-day stock price increase [2] - The fund "Yongying Hejia One-Year Holding Mixed A" was established on December 29, 2022, with a current scale of 258 million CNY, and has reported a year-to-date return of 0.53% [2]