康强电子股价跌5.21%，国泰基金旗下1只基金位居十大流通股东，持有268.34万股浮亏损失381.04万元

Group 1 - The core point of the news is that 康强电子 (Kangqiang Electronics) experienced a decline of 5.21% in its stock price, reaching 25.81 yuan per share, with a trading volume of 1.589 billion yuan and a turnover rate of 15.90%, resulting in a total market capitalization of 9.686 billion yuan [1] - 康强电子 is located in Ningbo, Zhejiang Province, and was established on June 29, 1992. It was listed on March 2, 2007. The company's main business involves the manufacturing and sales of semiconductor packaging materials, including lead frames and bonding wires [1] - The revenue composition of 康强电子's main business includes lead frame products at 59.11%, bonding wire products at 23.69%, electrode wire products at 16.36%, and other products at 0.82%, with molds and spare parts contributing 0.02% [1] Group 2 - From the perspective of major circulating shareholders, 国泰中证半导体材料设备主题ETF (Guotai CSI Semiconductor Materials and Equipment Theme ETF) increased its holdings by 1.4853 million shares in the third quarter, holding a total of 2.6834 million shares, which represents 0.72% of the circulating shares [2] - The fund was established on July 19, 2023, with a latest scale of 9.011 billion yuan. Year-to-date, it has achieved a return of 25.26%, ranking 85 out of 5,551 in its category; over the past year, it has returned 96.88%, ranking 157 out of 4,285 [2] - The fund manager, 艾小军 (Ai Xiaojun), has a cumulative tenure of 12 years and 20 days, managing total fund assets of 186.973 billion yuan, with the best fund return during his tenure being 340.84% and the worst being -46.54% [2]