钠离子电池概念下跌2.83%，5股主力资金净流出超亿元

Group 1 - The sodium-ion battery concept sector experienced a decline of 2.83%, ranking among the top declines in concept sectors, with major declines seen in companies like Honggong Technology, Lingpai Technology, and Qicai Chemical [1][2] - Among the sodium-ion battery concept stocks, six stocks saw price increases, with New Special Electric rising by 2.44%, Yiwei Lithium Energy by 0.55%, and Meilian New Materials by 0.53% [1][2] - The sector faced a net outflow of 2.882 billion yuan in main funds, with 102 stocks experiencing net outflows, and five stocks seeing outflows exceeding 100 million yuan, led by Guoxuan High-Tech with a net outflow of 610 million yuan [2][3] Group 2 - The main inflow of funds was observed in companies such as CATL, Dongfeng Group, and New Special Electric, with net inflows of 94.755 million yuan, 27.6634 million yuan, and 19.9028 million yuan respectively [2][4] - The top stocks with significant net outflows included Shengyang Co., Nandu Power, and BYD, with net outflows of 222 million yuan, 130 million yuan, and 121 million yuan respectively [2][3] - The trading volume for Guoxuan High-Tech was 10.88%, while other notable stocks like Lingpai Technology and Qicai Chemical had trading volumes of 14.38% and 11.79% respectively [2][3]