Although stocks related to optical communication and optical semiconductors fell across the board on the 8th due to the impact of a broader market plunge, evaluations indicate that expectations for the expansion of artificial intelligence (AI) data centers and next-generation network infrastructure remain valid.

[Major Stock Price Trends] On this day, related theme stocks were pushed back by short-term profit-taking sell-offs following a large-scale market decline. Daehan Kwangtongsin traded at 16,880 won, down 6.64% from the previous day, and Seoul Semiconductor recorded 11,720 won, down 9.15%. Kwangjeonja (down 7.80%, 8,040 won) and Bitgwa Electronics (down 9.04%, 3,420 won) also underwent a concurrent correction. However, Daehan Kwangtongsin's trading volume exceeded 4.21 million shares on this day, showing the highest trading activity among related stocks. Meanwhile, Lycom rose by 6.35%, showing a relatively strong trend among theme stocks.

[Expectations for an AI Data Center Boom] The market analyzes that the recent expansion of AI data center investments, centered around Nvidia, will act as a core growth driver for the optical communication industry. It is evaluated that an increase in demand for optical cables, optical modules, and optical semiconductors is essential because AI servers and data centers require the ultra-high-speed transmission of massive amounts of data. In particular, the recent visit of Nvidia CEO Jensen Huang to South Korea, where he emphasized the era of AI, robots, and physical AI, served as a catalyst for raising interest in the optical communication and optical semiconductor sectors. If the competition to expand AI data centers begins in earnest, the demand for related equipment for ultra-high-speed data transmission between servers is expected to surge.

[Key Beneficiary Stocks in Optical Communication and Optical Semiconductors] Daehan Kwangtongsin, cited as a leading optical communication stock, operates an optical cable and optical fiber business and is discussed as a potential beneficiary of the expansion of domestic and international communication network construction. In the optical semiconductor sector, Seoul Semiconductor and Seoul Viosys are cited as representative stocks. Seoul Semiconductor is receiving expectations for market expansion in automotive, display, and industrial applications based on its proprietary LED and optical semiconductor technologies. Seoul Viosys is also classified as a related theme stock as it conducts business based on optical semiconductor technology. In addition, RFHIC, RF Materials, Woorinet, Mercury, Fiberpro, Zaram Technology, and Lycom are receiving market attention as stocks related to optical communication and network infrastructure. However, it is analyzed that related stocks could not avoid a short-term correction trend as the domestic stock market plunged on this day, influenced by the sluggish U.S. stock market and heightened geopolitical tensions.

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