东阳光跌2.04%，成交额3.35亿元，主力资金净流出1011.35万元

Group 1 - The core viewpoint of the news is that Dongyangguang's stock has experienced fluctuations, with a year-to-date increase of 90.97% but a recent decline of 5.44% over the last five trading days [1] - As of December 18, Dongyangguang's stock price is 21.56 yuan per share, with a market capitalization of 64.886 billion yuan and a trading volume of 335 million yuan [1] - The company has seen a net outflow of 10.1135 million yuan in principal funds, with significant buying and selling activity from large orders [1] Group 2 - Dongyangguang, established on October 24, 1996, is located in Dongguan, Guangdong Province, and was listed on September 17, 1993 [2] - The company's main business segments include electronic new materials (40.81%), chemical new materials (27.63%), electronic components (25.40%), and others [2] - As of September 30, the number of shareholders has increased by 83.12% to 85,400, with an average of 35,128 circulating shares per person, a decrease of 45.39% [2] Group 3 - Dongyangguang has distributed a total of 2.395 billion yuan in dividends since its A-share listing, with 999.8 million yuan distributed in the last three years [3] - As of September 30, 2025, Hong Kong Central Clearing Limited is the eighth largest circulating shareholder, increasing its holdings by 11.4531 million shares [3] - The top ten circulating shareholders include Bosera Huixing Return One-Year Holding Period Mixed Fund, which reduced its holdings by 21.7854 million shares [3]