Group 1 - Guoyuan Technology (stock code: 920184) experienced a significant price increase of 24.30% on January 6, 2026, closing at 22.35 yuan [1][3] - The trading volume for Guoyuan Technology reached 18.45 million shares, with a total transaction value of 385 million yuan [1][3] - The top buyer was Dongya Qianhai Securities Co., Ltd. Suzhou Branch, purchasing shares worth approximately 6.54 million yuan, while the top seller was CITIC Jianzhong Securities Co., Ltd. Shanghai Yingkou Road Securities Business Department, selling shares worth approximately 8.73 million yuan [1][2] Group 2 - The trading data indicates multiple buying and selling activities, with significant amounts from various securities firms, highlighting active market participation [2] - Notable buying firms included Guojin Securities Co., Ltd. with purchases from both Shenzhen and Chengdu branches, indicating a diversified interest in the stock [2] - The selling activities were also prominent, with CITIC Jianzhong Securities and Guoxin Securities among the top sellers, suggesting a potential profit-taking strategy by these firms [2]