UP OPTOTECH(SZ:002338) Xin Lang Cai Jing·2025-09-19 02:37Group 1 - The core viewpoint of the news is that Aopu Optoelectronics has experienced a significant stock price increase, rising 5.26% on September 19, with a total market value of 14.362 billion yuan and a cumulative increase of 18.24% over six consecutive days [1] - Aopu Optoelectronics, established on June 26, 2001, and listed on January 15, 2010, specializes in the research, production, and sales of optoelectronic measurement control instruments, new medical instruments, optical materials, and grating encoders [1] - The main business revenue composition of Aopu Optoelectronics includes composite materials (39.35%), optoelectronic measurement instruments (33.88%), grating sensors (23.62%), precision casting (1.64%), and optical materials (1.51%) [1] Group 2 - From the perspective of the top ten circulating shareholders, Guotai Fund's Guotai Zhongzheng Military Industry ETF (512660) increased its holdings by 280,000 shares in the second quarter, now holding 1.6814 million shares, accounting for 0.7% of circulating shares [2] - The floating profit from the recent stock price increase for Guotai Zhongzheng Military Industry ETF is approximately 5.0274 million yuan, with a total floating profit of 14.7459 million yuan during the six-day increase [2] - Guotai Zhongzheng Military Industry ETF, established on July 26, 2016, has a current scale of 15.601 billion yuan, with a year-to-date return of 13.59% and a one-year return of 47.16% [2]