高盛：光学时代_技术变革受益者

Investment Rating - The report upgrades Sumitomo Electric Industries (SEI) to Buy from Neutral and Furukawa Electric to Neutral from Sell [1] Core Insights - The industrial electronics sector is experiencing increased demand for optical products driven by generative AI and data centers, leading to significant capacity expansion investments [2] - The report highlights the shift towards medium-distance data center interconnections (DCI) due to land and power constraints, creating additional demand for optical fiber products [17] - SEI is expected to see a substantial increase in profit contribution from its infocommunications business, which is projected to grow from 6% of total profits in FY3/25 to approximately 20% by FY3/28 [41][43] Summary by Sections Industry Trends - Demand for optical products is significantly exceeding supply, prompting companies to invest in capacity expansion [2] - The emergence of projects like Stargate and increasing domestic data center demand from a national security perspective are expected to sustain high levels of investment in data center construction [2] Company Performance - SEI's operating profit estimates for FY3/26 to FY3/28 have been raised by 11%/11%/12% due to increased demand for optical products [51] - Furukawa Electric is also expected to benefit from marginal profit growth due to rising demand [1] Financial Estimates - The report provides updated sales and operating profit estimates for key companies in the sector, indicating a general upward trend in financial performance [11] - For SEI, the new target price is set at ¥4,300, reflecting a significant increase from the previous target of ¥2,800 [54][55] Technological Developments - The report discusses advancements in optical device technology, particularly the shift towards higher communication speeds and the potential for co-packaged optics (CPO) to become a key area of growth [22][23] - SEI has been selected as a technology partner by NVIDIA, indicating its strong position in the optical devices market [50]