71.86亿主力资金净流入，国家大基金持股概念涨4.83%

Core Insights - The National Big Fund holding concept saw a significant increase of 4.83%, ranking second among concept sectors, with 42 stocks rising, including Changchuan Technology and Xingfu Electronics, which hit the 20% limit up [1][2] Group 1: Market Performance - The National Big Fund holding concept had a net inflow of 7.186 billion yuan, with 35 stocks receiving net inflows, and 16 stocks exceeding 100 million yuan in net inflows [2][3] - Leading the net inflow was Tongfu Microelectronics, with a net inflow of 1.273 billion yuan, followed by North Huachuang and SMIC with net inflows of 1.215 billion yuan and 1.137 billion yuan respectively [2][3] Group 2: Stock Performance - Top performers in the National Big Fund holding concept included Tongfu Microelectronics, which rose by 10%, and North Huachuang, which also increased by 10% [3][4] - Other notable gainers included Nanda Optoelectronics with a 12.50% increase, and Zhongke Feimeng with a 10.92% increase [1][4] - Conversely, the stocks with the largest declines included Shenzhen South Circuit, which fell by 3.81%, and Chip Original Shares, which decreased by 3.35% [1][5]