What products does Delta Electronics make, and why does it matter for AI?

Delta Electronics manufactures power-management systems used in servers and data centers, making it a key supplier for the infrastructure behind the AI boom. The company has expanded capacity to capture surging global demand for data centers.

How does Thailand's tech concentration compare with South Korea and Taiwan?

Delta is the only pure technology company among Thailand's five largest stocks. By contrast, SK Hynix and Samsung Electronics together account for more than half of South Korea's Kospi, while Taiwan Semiconductor Manufacturing Co. alone makes up more than 40% of Taiwan's Taiex.

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AI Stocks & Markets

Thailand's stock market surges as Delta Electronics, a power-systems maker for AI data centers, becomes the country's first $100 billion（約16兆円） company.

Japan Times Tech3h ago5 min read

Key takeaway

Thailand's stock market is outperforming regional peers this year, driven by Delta Electronics, a power-systems manufacturer for AI data centers that has become the country's first $100 billion（約16兆円） company. The surge reflects investor recognition that Thailand supplies critical infrastructure for the global AI boom, shifting the market narrative away from traditional sectors. Delta's consistent earnings beats over two years suggest the upswing may persist.

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3 Key Points

What happened
Delta Electronics, which manufactures power-management systems for servers and data centers, has surged more than 80% this year and is now Thailand's largest listed company—worth more than the next four largest Thai stocks combined. The company now accounts for one-fifth of the Stock Exchange of Thailand Index, more than double its weighting in June 2025.
Why it matters
Thailand's stock market is outperforming Southeast Asian peers by more than 20% in 2026 through Wednesday, driven largely by Delta's rise. Investors are recognizing Thailand's role in supplying infrastructure for the global AI boom, offering a new lens on Thai equities beyond traditional sectors like tourism and banking. Delta's earnings have consistently beaten expectations every quarter over the past two years, suggesting the outperformance may continue.
What to watch
Delta is now Southeast Asia's second-most valuable company in the MSCI Asean Index, behind only DBS Group Holdings. However, Delta remains the only pure technology company among Thailand's five largest stocks; other major electronics producers in the country—Cal-Comp Electronics Thailand, KCE Electronics, and Hana Microelectronics—remain dwarfed by Delta, with market capitalizations exceeding $1 billion（約1600億円） only at times.

FAQ

What products does Delta Electronics make, and why does it matter for AI?: Delta Electronics manufactures power-management systems used in servers and data centers, making it a key supplier for the infrastructure behind the AI boom. The company has expanded capacity to capture surging global demand for data centers.
How does Thailand's tech concentration compare with South Korea and Taiwan?: Delta is the only pure technology company among Thailand's five largest stocks. By contrast, SK Hynix and Samsung Electronics together account for more than half of South Korea's Kospi, while Taiwan Semiconductor Manufacturing Co. alone makes up more than 40% of Taiwan's Taiex.

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Thailand's stock market surges as Delta Electronics, a power-systems maker for AI data centers, becomes the country's first $100 billion（約16兆円） company.

Key takeaway

3 Key Points

FAQ

Discussion

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