龙虎榜丨山子高科5连板，二游资净买入3.19亿元，三机构净卖出1.62亿元

Group 1 - The stock of Shanzi Gaoke (000981.SZ) has reached a limit-up for five consecutive trading days, with a turnover rate of 17.75% and a transaction volume of 6.807 billion yuan [1] - The net selling by the Shenzhen Stock Connect amounted to 112 million yuan, with a total buy of 87.46 million yuan and a sell of 200 million yuan [1] - Institutional investors bought a total of 67.76 million yuan while selling 230 million yuan, resulting in a net selling of 162 million yuan [1] Group 2 - The top five buying entities included Guotai Junan Securities with a purchase amount of 191.31 million yuan, accounting for 2.81% of total transactions [1] - The second largest buyer was Huaxin Securities, purchasing 129.06 million yuan, representing 1.90% of total transactions [1] - The total buying amount from the top five entities was 643.94 million yuan, which is 9.46% of the total transaction volume [2]