Investment Rating - The report maintains an "Outperform" rating for the communication industry, consistent with the previous rating [5]. Core Insights - Marvell Technology, Inc. has launched the "Golden Cable" initiative to accelerate and expand the Active Electrical Cable (AEC) ecosystem, facilitating faster time-to-market for large-scale AI deployments. This initiative provides leading software, validated reference designs, and comprehensive support in an open model [2][24]. - LightCounting forecasts that the CPO market will reach $10 billion by 2030, with significant contributions from companies like Broadcom and NVIDIA, who are expected to launch integrated CPO products by 2026. Marvell will also leverage its acquisition of Celestial AI technology to introduce similar products, with shipments starting in 2027 [2][31]. - USI plans to establish a production capacity of over 1 million units of 800G and 1.6T silicon photonic modules in Vietnam, focusing on data center-related businesses and accelerating product and capacity development [3][36]. Summary by Sections Market Overview - The communication index rose by 4.07% during the week of December 22-28, 2025, outperforming other major indices [14]. - Among the communication sub-sectors, communication cables and accessories saw the highest increase at 6.52%, followed by other communication equipment (5.90%) and communication terminals and accessories (5.38%) [17]. Industry Dynamics - Marvell's "Golden Cable" initiative aims to support the growing demand for AEC in AI data centers, with market size projected to grow from $644 million in 2025 to $1.4 billion by 2029 [24][25]. - LightCounting's report indicates that the CPO market is gaining traction, with expected growth driven by advancements in AI and networking technologies [29][30]. - USI's investment in Vietnam is part of a broader strategy to meet the increasing demand for optical modules in North America, with plans to expand production capacity significantly [36][37].

Group 1 - The article highlights the strong quarterly performance of Credo, an AEC company, which saw a stock increase of over 10% on the 2nd, following a cash and stock acquisition of Celestial AI for approximately $3.25 billion, focusing on photonic interconnects [1] - AEC (Active Electrical Cable) includes components such as copper cables, connectors, Retimer chips, and PCBs, with Retimer chips amplifying signals to extend copper cable connection distances [1] - AOC (Active Optical Cable) consists of optical modules and fiber cables for high-speed signal transmission, differing from DAC (Direct Attach Copper) in terms of power consumption and distance capabilities [1] Group 2 - Companies involved in AEC include XinKe Materials, which has a market cap of 7.387 billion and is producing 240,000 high-speed copper connections for 800G and 1.6T [2] - Huilv Ecology, with a market cap of 11.184 billion, has launched AEC series products with mass production capabilities [2] - Zhaolong Interconnect, valued at 14.297 billion, is a leader in high-speed cables, delivering single-channel 112G AEC solutions [2] Group 3 - Companies in the AOC sector include Longfly Fiber, with a market cap of 45.193 billion, currently in the trial certification phase for AOC products [3] - Huagong Technology, valued at 75.253 billion, has achieved bulk delivery of 200G AOC products [4] - New Yisheng, with a market cap of 334.244 billion, has released 800G AOC products [4]