Investment Rating - The report gives a "Recommended" rating for the telecommunications industry, considering the sustained high prosperity of the sector driven by AI, 5.5G, and satellite communications [2][5]. Core Insights - The overall market performance for the telecommunications sector shows a weekly increase of 1.58%, while the broader indices experienced declines [2][10]. - The report highlights a significant upward adjustment in the Total Addressable Market (TAM) for data centers by Marvell, from $75 billion to $94 billion, with a compound annual growth rate (CAGR) of approximately 35% from 2023 to 2028 [3]. - The customized computing market is identified as the largest and fastest-growing segment within the data center hardware market, projected to reach $55.4 billion with a CAGR of about 53% [3]. Summary by Sections Market Overview - The telecommunications sector index increased by 1.58% during the week of June 16-20, 2025, while the Shanghai Composite Index fell by 0.51% [10]. - Among the sub-sectors, communication network equipment and devices saw the highest increase of 3.99%, while communication engineering and services experienced the largest decline of 3.58% [13][14]. Stock Performance - Notable stock performances include Chutianlong with a 36.59% increase, followed by Dongxinheping at 29.68%, and Hengbao Co. at 20.99% [15]. Industry News - LightCounting forecasts a 10% quarter-over-quarter growth in optical module sales, driven primarily by 800G Ethernet modules [17]. - YOLE Group reports that the rapid development of AI is driving the widespread adoption of Co-Packaged Optics (CPO), with the market expected to grow from $46 million in 2024 to $8.1 billion by 2030, reflecting a CAGR of 137% [22]. Key Announcements - The report notes significant corporate announcements, including East Mountain Precision's acquisition of Solstice Optoelectronics for up to $629 million to enhance its optical communication business [33].