Investment Rating - The report suggests a positive outlook on the AI-driven sectors, particularly in servers and IDC, as well as overseas AI developments in servers and optical modules [4]. Core Insights - The release of OpenAI's GPT-5 has significantly reduced reasoning costs, which is expected to facilitate the widespread adoption of AI technologies. GPT-5 shows a 50-80% reduction in token output compared to its predecessor, enhancing performance [1][6]. - Amphenol's acquisition of Commscope's connectivity and cable solutions business for $10.5 billion reinforces the trend of "optical fiber replacing copper," indicating a favorable outlook for MPO optical connector suppliers like Taicheng [1][8]. - The strong performance of Weidi Technology in Q2 2025, with an EPS of $0.95 and revenue of $2.64 billion, reflects the growing demand for liquid cooling solutions driven by the large-scale shipment of GB200 and GB300 servers [1][14]. - China Mobile's H1 2025 results show a revenue of CNY 543.77 billion, a slight decrease of 0.5% year-on-year, but a net profit increase of 5.0% to CNY 84.24 billion, highlighting the company's strong dividend value and strategic investment in AI computing power [1][52]. Summary by Sections Communication Sector - The North American AI model updates continue to drive strong demand for computing power, with OpenAI's GPT-5 and Google DeepMind's Genie 3 significantly impacting the industry [1][6]. - The telecom business revenue for the first half of 2025 reached CNY 905.5 billion, showing a year-on-year growth of 1% [3][16]. Sub-sectors - **Servers**: The server index decreased by 0.13% this week, but the ongoing updates in AI models are expected to boost demand for server manufacturers like Industrial Fulian [2][11]. - **Optical Modules**: The optical module index increased by 0.37% this week, with Amphenol's acquisition of Commscope reinforcing the trend of optical fiber technology [2][8]. - **Liquid Cooling**: Weidi Technology's Q2 2025 performance exceeded expectations, driven by the demand for liquid cooling solutions as server shipments increase [2][14]. Key Data Updates - The capital expenditures of major cloud companies like Microsoft, Google, Meta, and Amazon in Q2 2025 were substantial, indicating a strong investment trend in AI and cloud infrastructure [3][16].