Group 1 - LiuJin Technology (920021) experienced a significant increase of 9.78% in its stock price, with a turnover rate of 59.14% and a total transaction amount of 1.623 billion yuan, showing a volatility of 22.99% [2] - The stock was listed on the North Exchange due to its high turnover rate, with a net buying amount of 65.0334 million yuan from various trading desks [2] - The top five trading desks accounted for a total transaction amount of 336 million yuan, with a buying amount of 201 million yuan and a selling amount of 136 million yuan, resulting in a net buying of 65.0334 million yuan [2] Group 2 - The largest buying trading desk was Dongya Qianhai Securities Co., Ltd. Shanghai Branch, with a buying amount of 73.515 million yuan, while the largest selling desk was Guotai Haitong Securities Co., Ltd. Shanghai Lujiazui East Road Branch, with a selling amount of 46.7224 million yuan [2] - Detailed trading information shows that the top five buying desks had significant buying amounts, with the second largest being Lianchu Securities Co., Ltd. Ningbo Branch at 38.7473 million yuan, and the third being Guosheng Securities Co., Ltd. Ningbo Sangtian Road Branch at 26.7663 million yuan [2] - The selling desks also showed notable activity, with the second largest selling desk being Guojin Securities Co., Ltd. Shenzhen Branch at 16.4522 million yuan, and the third being Dongfang Caifu Securities Co., Ltd. Lhasa Tuanjie Road First Securities Office at 16.316 million yuan [2]