北交所上市公司微创光电登龙虎榜：当日换手率达到44.37%

Group 1 - The core point of the article is that Weikang Optoelectronics (stock code: 920198) experienced significant trading activity on October 22, 2025, with a turnover rate of 44.37% and a trading volume of 31.1 million shares, amounting to a transaction value of 417 million yuan [1]. Group 2 - The top buying seat was from Dongfang Caifu Securities Co., Ltd., with a purchase amount of 8.63 million yuan [1]. - The top selling seat was from China Galaxy Securities Co., Ltd., with a selling amount of 10.29 million yuan [1].