北交所上市公司星图测控登龙虎榜：当日换手率达到28.78%

Group 1 - The core point of the article highlights that the company Xingtum Measurement and Control (stock code: 920116) was listed on the Longhu list due to a significant trading activity on December 11, 2025, with a turnover rate of 28.78% and a trading volume of 11.68 million shares, amounting to a transaction value of 1.008 billion yuan [1] Group 2 - The top buying position was held by Guojin Securities Co., Ltd. Shenzhen Branch, which purchased shares worth 15.55 million yuan [1] - The top selling position was held by CITIC Jianan Securities Co., Ltd. Beijing Dongcheng Branch, which sold shares worth 26.04 million yuan [1]