国家大基金持股概念涨2.30%，主力资金净流入30股

Group 1 - The National Big Fund holding concept rose by 2.30%, ranking fourth among concept sectors, with 33 stocks increasing in value [1] - Notable gainers included Nanda Optoelectronics, Jiangbolong, and Zhongke Feicai, which rose by 10.15%, 9.39%, and 9.20% respectively [1] - The concept sector saw a net inflow of 4.73 billion yuan, with 30 stocks receiving net inflows, and 14 stocks exceeding 100 million yuan in net inflows [1] Group 2 - Jiangbolong led the net inflow with 909 million yuan, followed by Changdian Technology, Nanda Optoelectronics, and Beifang Huachuang with net inflows of 721 million yuan, 631 million yuan, and 488 million yuan respectively [1] - In terms of net inflow ratios, Changdian Technology, Huahong Company, and Jiangbolong had the highest rates at 13.37%, 13.18%, and 12.31% respectively [2] - The trading volume for Jiangbolong was 90.86 million yuan, while Changdian Technology and Nanda Optoelectronics had trading volumes of 72.08 million yuan and 63.06 million yuan respectively [2]