AI需求旺盛带动存储及光通信景气度提升

Core Viewpoint - The TMT sector experienced mixed performance in the week of November 3-7, with telecommunications and media showing gains, while electronics and computers faced declines [2] Group 1: Weekly Market Review - The TMT sector's performance for the week was as follows: telecommunications increased by 0.92%, media by 0.16%, electronics decreased by 0.09%, and computers fell by 2.54% [2] - The top-performing sub-industries included other electronics III (5.03%), semiconductor equipment (4.80%), and passive components (3.25%), while the worst performers were consumer electronics (-6.22%), horizontal general software (-4.36%), and analog chip design (-3.56%) [2] - Individual stock performances showed significant gains, with top electronics stocks being Jingquan Technology (48.41%), Kechuan Technology (34.75%), and Zhongfu Circuit (29.41%); top computer stocks included Chunz中科技 (37.80%), Yingfang Software (27.06%), and Aerospace Zhizhuang (25.45%); top media stocks were China Film (26.76%), Jishi Media (14.32%), and Chinese Media (12.62%) [2] Group 2: Semiconductor Market Insights - Major overseas wafer manufacturers have paused pricing, leading to expectations of further increases in storage prices. Since early October, leading DRAM manufacturers in South Korea and the U.S. have suspended quotes to enterprise clients, with Samsung expected to resume DDR5 memory contract pricing only by mid-November [2] - According to TrendForce, the supply gap in the storage market is expected to persist into Q4 2025, with DRAM prices projected to increase by 23%-28% quarter-over-quarter in Q4, up from a previous estimate of 13%-18% [2] - The demand from downstream data centers remains strong, and the cautious expansion by the three major wafer manufacturers is likely to further widen the supply-demand gap, indicating continued upward price momentum [2] Group 3: Optical Communication Industry Outlook - The optical communication industry is experiencing improved conditions, as evidenced by Lumentum and Coherent's recent financial reports, which exceeded market expectations [3] - Lumentum indicated that its optical module production capacity is unable to meet the growing industry demand, with the supply-demand gap for EML expected to widen from 20% to 25%-30% [3] - Coherent noted that the delivery cycle for optical module orders is extending, with clear demand observed through 2028, and ongoing growth in demand for 1.6T optical modules [3] - Companies benefiting from the global data center construction include Wanlong Optoelectronics (23.34%), Yihua Co. (12.18%), and Tianfu Communication (10.75%) [3][4]