SHSTC(SH:600620) Jin Rong Jie·2025-07-21 09:35Group 1 - Tianchen Co., Ltd. experienced a decline of 1.81% and reached the "Dragon and Tiger List" with a daily volatility of 15%, indicating significant trading activity [1] - The top five buying institutions collectively purchased 60.42 million yuan, while the top five selling institutions sold 86.41 million yuan, resulting in a net outflow of 25.99 million yuan [1] - Notable buying came from Hangzhou Huancheng North Road Securities Branch of Lianchu Securities, which bought 22.59 million yuan, followed by Beijing Zhongguancun Street Branch of China Galaxy Securities with 11.65 million yuan [1] Group 2 - The largest selling institution was Zhejiang Branch of Lianchu Securities, which sold 39.79 million yuan, followed by Beijing Chongwenmen Outer Street Branch of Great Wall Securities with 16.61 million yuan [2] - Other significant sellers included the headquarters of Guotai Junan Securities, which sold 12.32 million yuan, and Jiangsu Branch of Huayuan Securities with 9.32 million yuan [2] - The trading activity reflects a notable shift in investor sentiment, with prominent selling outweighing buying in this instance [1][2]