存储大厂业绩创新高，AI驱动存储涨价效应扩散

Investment Rating - The industry investment rating is "Positive" [2] Core Insights - The rapid growth in demand for AI model training and inference is the core driver of the current recovery in the storage industry, with high-performance storage products experiencing explosive growth. HBM has become a key component for AI servers, significantly contributing to the performance growth of leading manufacturers. Additionally, the demand for server DRAM and enterprise SSDs has increased, further squeezing the capacity for consumer products and causing price increases in storage, which are expected to continue [4][3][4]. Summary by Sections Industry Performance - The electronic sub-industry has seen adjustments, with the Shenwan Electronics secondary index showing year-to-date changes: semiconductors (+18.04%), other electronics II (+10.31%), components (+0.45%), optical electronics (+6.80%), consumer electronics (-0.76%), and electronic chemicals II (+15.58%). This week, the performance was: semiconductors (-0.90%), other electronics II (-2.87%), components (-2.34%), optical electronics (-4.06%), consumer electronics (-5.74%), and electronic chemicals II (-5.87%) [3][10]. Company Performance - SK Hynix: In Q4 2025, SK Hynix reported revenue of 32.83 trillion KRW, a quarter-on-quarter increase of 34% and a year-on-year increase of 66%. The gross margin was 69%, with a net profit of 15.25 trillion KRW, reflecting a 21% quarter-on-quarter and 90% year-on-year increase. The company’s full-year revenue for 2025 reached 97.15 trillion KRW, a 47% year-on-year increase [3][4]. - Samsung Electronics: In Q4 2025, Samsung Electronics achieved revenue of 93.8 trillion KRW, a 9% quarter-on-quarter and 24% year-on-year increase. The operating profit reached 20.1 trillion KRW, marking a 208% year-on-year increase, while the net profit was 19.64 trillion KRW. The company expects continued growth in AI and server demand in 2026 [3][4][26]. - SanDisk: In FY26Q4, SanDisk reported revenue of $3.025 billion, a 31% quarter-on-quarter and 61% year-on-year increase. The net profit surged by 672% year-on-year, driven by product optimization and increased ASP [4][28]. Price Trends - According to TrendForce, the contract price for general DRAM is expected to rise by approximately 55% to 60% in Q1 2026, while NAND flash prices are projected to increase by 33% to 38%, with consumer-grade QLC products seeing price increases of no less than 40% [4].