大元泵业龙虎榜数据（8月19日）

Group 1 - The stock of Dayuan Pump Industry (603757) experienced a limit down today, with a turnover rate of 16.56% and a trading volume of 1.303 billion yuan, showing a fluctuation of 6.64% [1] - Institutional investors net sold 130 million yuan, while the total net selling by brokerage seats amounted to 9.4237 million yuan [1][2] - The stock was listed on the Shanghai Stock Exchange's watch list due to a daily decline deviation of -9.97%, with institutional proprietary seats contributing to the net selling [2] Group 2 - Over the past six months, the stock has appeared on the watch list five times, with an average price increase of 5.83% the day after being listed and an average increase of 11.25% in the following five days [3] - The stock saw a net outflow of 145 million yuan in main funds today, with large orders contributing to a net outflow of 93.8033 million yuan and 51.2437 million yuan respectively [3] - The company's Q1 report indicated a revenue of 380 million yuan, representing a year-on-year growth of 37.21%, while net profit was 39.2132 million yuan, down 3.95% year-on-year [3]