永兴材料今日涨停，2家机构专用席位净买入1.18亿元

Group 1 - Yongxing Materials experienced a limit-up increase in stock price today, with a trading volume of 1.745 billion yuan and a turnover rate of 10.15% [1] - The post-market data from the Dragon and Tiger list indicates that the Shenzhen Stock Connect dedicated seat bought 116 million yuan and sold 148 million yuan [1] - Two institutional dedicated seats net bought 118 million yuan, while three institutional dedicated seats net sold 57.83 million yuan [1]