Guobo Electronics (SH:688375) Xin Lang Cai Jing·2026-01-30 02:50Group 1 - The core point of the news is that Guobang Electronics experienced a decline in stock price, dropping by 5.05% to 124.39 yuan per share, with a trading volume of 420 million yuan and a turnover rate of 0.55%, resulting in a total market capitalization of 74.138 billion yuan [1] - Guobang Electronics, established on November 27, 2000, and listed on July 22, 2022, is primarily engaged in the research, production, and sales of active phased array T/R components and RF integrated circuits [1] - The revenue composition of Guobang Electronics includes T/R components and RF modules at 88.19%, RF chips at 8.49%, other chips at 2.04%, and other revenues at 1.28% [1] Group 2 - From the perspective of the top ten circulating shareholders, E Fund's fund holds a position in Guobang Electronics, having reduced its holdings by 349,600 shares to 2.8561 million shares, representing 0.48% of the circulating shares, resulting in an estimated floating loss of approximately 18.8786 million yuan [2] - E Fund's Shanghai Stock Exchange Sci-Tech Innovation Board 50 ETF (588080) was established on September 28, 2020, with a latest scale of 70.597 billion yuan, achieving a year-to-date return of 12.15% and a one-year return of 58.62% [2] - The fund manager Lin Weibin has a tenure of 12 years and 334 days, with a total fund asset size of 119.408 billion yuan, achieving a best return of 82.52% and a worst return of -22.14% during his tenure [3]