大为股份今日涨1.01%，有4家机构专用席位净卖出1.61亿元

Group 1 - The stock of Dawi Co. increased by 1.01% today, with a trading volume of 2.446 billion yuan and a turnover rate of 43.04% [1] - Post-market data shows that one institutional special seat net bought 19.8525 million yuan, while four institutional special seats net sold 161 million yuan [1]