Core Points - Wante Hydraulic (920839) experienced a significant increase of 21.67% in its stock price, with a trading volume of 5.05 billion yuan and a turnover rate of 14.02% [1][2] - The stock's volatility was notable, with a fluctuation amplitude of 29.46% during the trading day [1] - Institutional investors showed strong interest, with a net purchase of 9.42 million yuan from specialized institutional seats [2] Trading Data Summary - The top five trading departments had a combined transaction amount of 162 million yuan, with a total buying amount of 87.82 million yuan and selling amount of 74.14 million yuan, resulting in a net purchase of 13.68 million yuan [2] - Specific trading details include: - The top buying department was Huachuang Securities, with a buying amount of 29.43 million yuan and a selling amount of 2.10 million yuan [2] - The second buying department was Guosen Securities, with a buying amount of 17.43 million yuan and a selling amount of 4.16 million yuan [2] - Three specialized institutional seats were involved, with a total buying amount of 27.27 million yuan and a selling amount of 17.85 million yuan, leading to a net purchase of 9.42 million yuan [2]