PCB概念涨2.79%，主力资金净流入这些股

Group 1 - PCB concept index rose by 2.79%, ranking 8th among concept sectors, with 156 stocks increasing, including Dazhu CNC which hit a 20% limit up [1] - Notable gainers in the PCB sector included Zhongtung High-tech (+10.00%), Guanghe Technology (+10.00%), and Xingsen Technology (+8.30%) [3][4] - The sector saw a net inflow of 4.688 billion yuan, with 104 stocks receiving net inflows, and 18 stocks exceeding 100 million yuan in net inflow, led by Zhongtung High-tech with 543 million yuan [2][3] Group 2 - The top three stocks by net inflow ratio were Aoshikang (21.95%), Guanghe Technology (16.81%), and Kuike Intelligent (15.96%) [3][5] - The PCB sector's trading volume was highlighted by significant turnover rates, with Zhongtung High-tech at 7.32% and Xingsen Technology at 13.76% [4][5] - Stocks with notable declines included Ruihua Tai (-5.79%), Kaihua Materials (-4.30%), and Aisen Co. (-3.85%) [1][11]