南大光电涨2.00%，成交额6.14亿元，主力资金净流入1018.88万元

Core Viewpoint - Nanda Optoelectronics has shown a mixed performance in stock price and financial results, with a notable increase in revenue and profit year-on-year, while experiencing fluctuations in stock price over recent trading periods [1][2]. Financial Performance - For the period from January to September 2025, Nanda Optoelectronics achieved a revenue of 1.884 billion yuan, representing a year-on-year growth of 6.83% [2]. - The net profit attributable to shareholders for the same period was 301 million yuan, reflecting a year-on-year increase of 13.24% [2]. - Cumulatively, the company has distributed a total of 507 million yuan in dividends since its A-share listing, with 293 million yuan distributed over the last three years [3]. Stock Market Activity - As of November 18, Nanda Optoelectronics' stock price was 37.70 yuan per share, with a market capitalization of 26.057 billion yuan [1]. - The stock has increased by 18.20% year-to-date, but has seen a decline of 2.20% over the last five trading days and 2.31% over the last twenty days [1]. - The company experienced a net inflow of 10.1888 million yuan in main funds, with significant buying activity from large orders [1]. Shareholder Structure - As of October 31, the number of shareholders for Nanda Optoelectronics was 117,900, a decrease of 9.46% from the previous period [2]. - The average number of circulating shares per shareholder increased by 10.45% to 5,564 shares [2]. - Notable institutional shareholders include E Fund's ChiNext ETF and Southern CSI 500 ETF, with some new entrants in the top ten shareholders [3]. Business Overview - Nanda Optoelectronics, established on December 28, 2000, and listed on August 7, 2012, specializes in the production, research, and sales of advanced electronic materials [1]. - The company's main business revenue composition includes specialty gas products (60.95%), precursor materials (27.80%), and other products (7.02%) [1]. - The company operates within the electronic chemicals sector, focusing on third-generation semiconductors, gallium nitride, and photolithography materials [1].