高争民爆跌停，龙虎榜上机构买入928.84万元，卖出4581.58万元

Group 1 - The stock of Gaozheng Mining Explosives experienced a limit down today, with a total turnover rate of 7.90% and a transaction amount of 631 million yuan, showing a fluctuation of 4.64% [1] - Institutional investors net sold 36.52 million yuan, while the total net selling by brokerage seats amounted to 54.35 million yuan [1] - The stock was listed on the Shenzhen Stock Exchange due to a daily decline deviation of -10.85% [1] Group 2 - According to statistics from Securities Times Data Treasure, the top five buying and selling brokerage seats had a total transaction amount of 190 million yuan, with a buying transaction amount of 49.67 million yuan and a selling transaction amount of 141 million yuan, resulting in a total net selling of 90.88 million yuan [1]