20cm速递|科创芯片ETF国泰（589100）涨超2.8%，"价格回升+国产替代"双驱动

Group 1 - The core viewpoint is that the "storage instead of calculation" technology significantly optimizes costs and efficiency by migrating AI inference data to SSDs, leading to a demand surge that exceeds traditional growth rates [1] - Domestic manufacturers are accelerating their market share, with Yangtze Memory Technologies planning to reach a NAND production capacity of 300,000 wafers per month by 2028, capturing 15% of the global market [1] - Longsys Memory's DRAM production is expected to become the fourth largest globally, while international giants are shifting towards high-end products like HBM, creating niche market opportunities for domestic firms [1] Group 2 - In the fourth quarter, domestic storage companies are expected to benefit from a dual drive of "price recovery + domestic substitution," with demand and operating rates showing a robust recovery [1] - The Guotai ETF (589100) tracks the semiconductor index (000685), which includes 50 representative securities from the semiconductor industry chain, reflecting the overall performance and development trends of listed companies in China's semiconductor sector [1] - The index is characterized by high growth potential and industry representation, with a daily price fluctuation limit of 20% [1]