电子行业2026年度策略：掘金AI创新周期

Investment Summary - The electronic industry index (CITIC) increased by 44.67% from the beginning of 2025 to December 5, 2025, driven by the innovation wave led by DeepSeek and the continuous iteration of AI applications on the terminal side [3][13][20] - The AI technology-driven innovation in the industrial chain and the recovery of terminal applications are expected to continue to push the electronic industry upward, with the storage sector entering a price increase cycle starting in the second half of 2025 due to supply-demand gaps [3][4][30] Market Review - The electronic sector's performance has outpaced the CSI 300 index, with a notable increase in institutional investment, as evidenced by the total market value held by funds in the electronic sector reaching 937.088 billion yuan, accounting for 5.07% of the circulating A-share market [3][20][25] - The top ten companies by fund holdings in the electronic sector include Maolai Optics, Lanke Technology, and Zhongke Feice, indicating a strong focus on the semiconductor core track [3][21][24] 2026 Investment Outlook - The report suggests capitalizing on the AI innovation cycle by focusing on new technologies, demands, and cycles, with a positive outlook for the following areas: 1. Semiconductor storage: The storage industry is entering an upward cycle driven by explosive demand for AI computing infrastructure, particularly in high-performance storage products like HBM and DDR5 [4][32][58] 2. Semiconductor testing equipment: The demand for testing machines is expected to rise due to the increasing complexity of AI chips and high-performance storage, with the global semiconductor testing equipment market projected to exceed $13.8 billion in 2025 [5][77][81] 3. Magnetic components: The transition to 800V high-voltage direct current (HVDC) architecture is anticipated to accelerate the demand for magnetic components, driven by the increased power requirements of AI servers [6][30][56] Semiconductor Storage - The storage industry is expected to experience a "super cycle" due to the explosive demand for AI computing, with the global storage market projected to approach $300 billion by 2027 [32][36] - The report highlights that AI applications are significantly increasing the demand for storage, with AI servers requiring up to eight times more DRAM and three times more NAND than traditional servers [42][49] - The current inventory levels of NAND and DRAM are at historical lows, and major manufacturers are prioritizing high-margin products for servers, leading to anticipated price increases of at least 20% for DRAM and NAND products [36][40][58] Semiconductor Testing Equipment - The semiconductor testing machine market is expected to grow significantly, with the global market size projected to reach $9.3 billion in 2025 and $9.77 billion in 2026, driven by the increasing complexity of AI chips and high-performance storage [5][77][81] - The report emphasizes the critical role of testing machines in ensuring the quality and reliability of AI chips, as the demand for high-performance computing continues to rise [59][66][72] Magnetic Components - The shift to 800V HVDC architecture is expected to drive the demand for magnetic components, as traditional power supply structures face limitations under increased power demands [6][30][56] - The report identifies key beneficiaries in the magnetic component sector, including companies like Keli Ke and Jingquan Hua, which are positioned to capitalize on the growing demand for efficient power conversion solutions [6][30]