通信行业点评：海外需求旺盛，AI基建仍是AI叙事的“主战场”

Investment Rating - The report maintains a "Recommended" rating for several companies in the AI infrastructure sector, particularly those with a first-mover advantage in GPU cards, such as Oracle, Coreweave, Nebius, AppliedGigital, and Iris Energy [3]. Core Insights - The global AI infrastructure investment is accelerating, with significant contracts being signed, such as Nebius securing a deal with Microsoft worth nearly $20 billion, which could reach up to $19.4 billion by 2031 [2]. - Major companies like Oracle and Meta are expanding their cloud businesses, with Oracle projecting a revenue growth of 14% to 16% year-over-year for the second fiscal quarter of 2026, driven by strong cloud performance [1][2]. - The report highlights that the focus of AI infrastructure investment is shifting from cloud vendor spending to AIDC (AI Data Center) cloud computing centers, indicating a broader market trend [3]. Summary by Sections Company Performance - Oracle's first fiscal quarter cloud infrastructure revenue reached $3.3 billion, a 55% year-over-year increase, with a remaining performance obligation of $455 billion, up 359% year-over-year [1]. - Meta's projected spending for 2025 is between $66 billion and $72 billion, primarily for expanding generative AI infrastructure [2]. Market Trends - Global cloud infrastructure service spending is expected to reach $95.3 billion in Q2 2025, reflecting a 22% year-over-year growth [2]. - Microsoft announced an annual AI capital expenditure of $120 billion for the current year, significantly up from $88 billion the previous year [2]. Investment Recommendations - The report suggests focusing on companies within the AIDC chain, such as Runze Technology and Runjian Co., as well as optical module companies like Dekoli and Shijia Photon [3].