泉为科技今日跌19.74%，有1家机构专用席位净卖出2.64万元

Group 1 - The company Quanwei Technology (300716) experienced a significant decline of 19.74% in its stock price today [1] - The trading volume reached 148 million yuan, with a turnover rate of 16.22% [1] - Post-market data from the dragon and tiger list indicates that two institutional special seats net bought 9.7164 million yuan, while one institutional special seat net sold 26,400 yuan [1]