资金逆市买入，创50ETF(159681)盘中净申购6200万份

Group 1 - The CPO concept has led to a decline in the ChiNext 50 Index (399673) by -2.47% as of November 10, 2025, but the ChiNext 50 ETF (159681) saw a net subscription of 62 million units, indicating strong investor interest despite market fluctuations [1] - The ChiNext 50 ETF includes key CPO stocks, leading solid-state battery companies, and internet brokerages, with its valuation positioned low among mainstream broad-based indices, suggesting potential for significant growth [1] - The storage chip sector remains active, with SanDisk significantly raising NAND flash contract prices by 50%, driven by strong sales in data center storage chips, resulting in a more than 15% increase in SanDisk's stock price on November 7 [1] Group 2 - According to Guosheng Securities, the memory supply-demand situation is tight, with multiple companies indicating continued price increases; DRAM prices are on the rise, and a structural transformation in the storage market is underway [2] - The current DRAM memory shortage is reported to be the most severe in 30 years, with NAND flash also facing shortages due to high demand from data centers, leading to a significant price increase of 50% in November [2] - SanDisk's forecast indicates that the storage supply shortage will persist at least until 2026, with the current price increase cycle in the storage sector being stronger and more prolonged than previous cycles [2] Group 3 - As of October 31, 2025, the top ten weighted stocks in the ChiNext 50 Index (399673) include CATL, Zhongji Xuchuang, Dongfang Caifu, Xinyi Sheng, Sunshine Power, Shenghong Technology, Huichuan Technology, Mindray, Yiwei Lithium Energy, and Tonghuashun, collectively accounting for 70.15% of the index [3]