Core Points - Tonghui Electronics (920509) experienced a significant price fluctuation, with a cumulative deviation of 50.19% in its stock price from October 10 to October 13, 2025 [1] - The trading volume reached 26.9752 million shares, with a total transaction value of 1.013 billion yuan [1] Trading Details - The top buying seat was from Dongfang Securities Co., Ltd. Hangzhou Jinjilu Securities Business Department, purchasing 15.5238 million yuan worth of shares [2] - The top selling seat was from Guotai Haitong Securities Co., Ltd. Jiangsu Changzhou Fitness Road Business Department, selling shares worth 12.6038 million yuan [2] - Other notable buying and selling activities included multiple securities firms, with significant transactions recorded from Oriental Fortune Securities and Guoxin Securities [2]