龙虎榜丨山子高科涨停，二游资净买入1.76亿元，一机构位净买入9438万元

Group 1 - The stock of Shanzi Gaoke (000981.SZ) reached the daily limit, with a turnover rate of 13.81% and a transaction volume of 5.61 billion yuan [1] - Institutional buying was significant, with one institution ranking second in buying, net purchasing 94.38 million yuan, while retail investor "Zhang Mengzhu" ranked fourth, net buying 94.05 million yuan [1] - The top five buying seats accounted for a total net purchase of 313 million yuan, with total buying of 627 million yuan and selling of 314 million yuan throughout the day [1] Group 2 - The top five trading departments in terms of buying amount included Guotai Junan Securities and Huaxin Securities, with the highest buying amount being 1123.9 million yuan from Guotai Junan Securities in Shanghai [1] - The buying amounts from the top five trading departments accounted for 11.17% of the total transaction volume [2]