存储巨头业绩股价双爆发，年内最高飙涨60%

Core Viewpoint - The storage industry is experiencing significant growth driven by the increasing demand for AI infrastructure, leading to record-high performances from major storage manufacturers like Seagate, SK Hynix, and Samsung Electronics [1][2][3]. Group 1: Financial Performance - SK Hynix reported a record high in Q4 2025 with revenue increasing by 34% to 32.83 trillion KRW and operating profit up 68% to 19.17 trillion KRW, achieving an operating margin of 58% [1]. - Samsung Electronics' storage business achieved sales revenue of 37.1 trillion KRW in Q4, a 39% quarter-on-quarter increase and a 62% year-on-year increase, significantly outperforming the group's overall sales growth of 24% [2]. - For the full year 2025, SK Hynix's revenue reached 97.15 trillion KRW, with operating profit doubling to 47.21 trillion KRW compared to 2024 [3]. Group 2: Market Trends - The storage market is expected to face a severe decline in 2024, but a sudden recovery is anticipated in 2025, as indicated by industry insiders [2]. - The demand for DRAM and NAND products is projected to grow significantly, with DRAM prices increasing by approximately 25% and NAND prices by over 30% in Q4 2025 [3][4]. - The limited supply combined with strong demand from cloud service providers for AI infrastructure is creating a supply-demand imbalance, contributing to the strong financial results of storage giants [4]. Group 3: Capital Expenditure and Expansion - Major storage companies are increasing capital expenditures in response to the robust demand for AI infrastructure, with Micron Technology announcing a $100 billion investment to build multiple semiconductor fabs in the U.S. [6][7]. - Micron also plans to acquire a manufacturing facility in Taiwan for $1.8 billion to enhance its storage supply capabilities [6]. - SK Hynix is cautiously increasing its capital expenditures while focusing on strengthening partnerships to meet customer demands, with plans to enhance production capacity at its facilities in Korea and the U.S. [7][8]. Group 4: Future Outlook - The storage industry is entering a new growth cycle defined by AI, with a focus on high-value products such as high-bandwidth memory and enterprise solid-state drives [9]. - The demand for DRAM is expected to grow by over 20% year-on-year in 2026, while NAND demand is projected to grow by around 20% [8]. - The importance of memory in server markets is increasing, with expectations of over 15% growth in this segment in 2026 [8].