世嘉科技股价跌5.17%，建信基金旗下1只基金重仓，持有20.98万股浮亏损失33.78万元

Group 1 - The core point of the news is that Sega Technology's stock price dropped by 5.17% to 29.55 CNY per share, with a trading volume of 728 million CNY and a turnover rate of 10.59%, resulting in a total market capitalization of 7.457 billion CNY [1] - Sega Technology, established on April 20, 1990, and listed on May 10, 2016, specializes in the research, design, production, sales, and service of customized precision box systems [1] - The revenue composition of Sega Technology includes: RF devices 33.78%, elevator cabin systems 22.74%, specialized equipment box systems 22.32%, antennas 16.14%, and others 2.82% [1] Group 2 - According to data, the Jianxin Fund has one fund heavily invested in Sega Technology, specifically the Jianxin Social Responsibility Mixed A (530019), which held 209,800 shares, accounting for 3.38% of the fund's net value, making it the sixth-largest holding [2] - The Jianxin Social Responsibility Mixed A fund was established on August 14, 2012, with a latest scale of 107 million CNY, yielding 7.17% this year, ranking 600 out of 8,825 in its category; over the past year, it achieved a return of 74.55%, ranking 606 out of 8,084 [2]