NATA OPTO-ELECT(SZ:300346) Xin Lang Cai Jing·2025-09-17 05:29Group 1 - Nanda Optoelectronics experienced a 5.25% increase in stock price, reaching 36.10 CNY per share, with a trading volume of 1.398 billion CNY and a turnover rate of 6.00%, resulting in a total market capitalization of 24.951 billion CNY [1] - The company, established on December 28, 2000, and listed on August 7, 2012, specializes in the production, research, and sales of advanced electronic materials, with applications in integrated circuits, flat panel displays, LEDs, third-generation semiconductors, photovoltaics, and semiconductor lasers [1] - The revenue composition of Nanda Optoelectronics includes specialty gas products at 60.95%, precursor materials (including MO sources) at 27.80%, other products at 7.02%, and additional items at 4.23% [1] Group 2 - Guolian An Fund's ETF, which is among the top ten circulating shareholders of Nanda Optoelectronics, increased its holdings by 1.8255 million shares in the second quarter, totaling 7.3342 million shares, representing 1.12% of the circulating shares [2] - The Guolian An ETF has achieved a year-to-date return of 35.34%, ranking 1243 out of 4222 in its category, and a one-year return of 111%, ranking 240 out of 3804 [2] - Since its inception, the Guolian An ETF has delivered a return of 173.24% [2]