龙虎榜丨通宇通讯创新高，三机构净卖出2.35亿元

Group 1 - Tongyu Communication (002792.SZ) saw a stock price increase of 3.38%, reaching a historical high with a turnover rate of 40.79% and a transaction volume of 6.175 billion yuan [1] - The net selling by the Northbound trading (深股通) amounted to 53.4 million yuan, with purchases of 148 million yuan and sales of 202 million yuan [1] - Institutional investors recorded a net selling of 235 million yuan, with purchases totaling 93.79 million yuan and sales reaching 329 million yuan [1] Group 2 - The top five trading departments by purchase amount included the Northbound trading with 268.86 million yuan, accounting for 5.17% of total transactions [1] - Other notable trading departments included Kaiyuan Securities and Guotai Junan Securities, with purchase amounts of 216.82 million yuan and 192.92 million yuan respectively [1] - The total purchase amount from the top five trading departments was 993.52 million yuan, representing 19.09% of total transactions [2]