半导体芯片股开盘拉升，科创芯片ETF(588200)获资金持续流入

Group 1 - The semiconductor chip stocks experienced a rally, with the Shanghai Stock Exchange Sci-Tech Innovation Board chip index rising by 0.70% as of 09:54 on January 20, 2026, driven by significant gains in individual stocks such as Baiwei Storage (up 7.42%) and Longxin Zhongke (up 5.62%) [1] - The DRAM market continues to face supply tightness, with the price of mainstream DDR4 models increasing by nearly 10% week-over-week, primarily due to suppliers and traders adopting a strategy of withholding sales and stockpiling inventory [1] - Micron reported that AI demand now accounts for 50%-60% of the DRAM market, serving as the main driver for the sustained increase in storage chip prices [1] - The enterprise SSD pricing is also under upward pressure, with some manufacturers like SanDisk requiring customers to make full prepayments to secure NAND allocations for the coming years [1] Group 2 - High-performance computing (HPC) chips have become the core engine driving TSMC's advanced process business growth, with HPC revenue accounting for 55% of TSMC's total revenue, significantly surpassing the smartphone segment at 32% [1] - The HPC business continues to show strong growth resilience compared to the seasonal fluctuations of the smartphone business, suggesting a robust investment opportunity in the HPC chip supply chain, particularly in domestic GPU and advanced process foundry sectors [1] - As of December 31, 2025, the top ten weighted stocks in the Sci-Tech Innovation Board chip index include SMIC, Haiguang Information, and Cambrian, collectively accounting for 57.76% of the index [2] - The Sci-Tech Chip ETF (588200) tracks the Sci-Tech Innovation Board chip index, providing a convenient tool for investors to gain exposure to the domestic chip sector [2] - Investors without stock accounts can access the domestic chip investment opportunities through the Sci-Tech Chip ETF linked fund (017470) [2]