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Asia's AI trade rebounds as chip stocks rally, lifting South Korea and Taiwan

Asia's AI trade rebounds as chip stocks rally, lifting South Korea and Taiwan
Markets · 2026
Photo · Eleanor Whitfield for Daily Digest Invest
By Eleanor Whitfield Markets Editor-in-Chief Sep 22, 2026 3 min read

Asia's artificial intelligence trade found its footing again on Tuesday, as a rebound in US chip stocks overnight helped lift regional markets. South Korea and Taiwan, the region's tech-heavy exporters, led the charge, while Indonesia slipped ahead of a key central bank decision.

The MSCI EM Asia index climbed 1.7% to its highest level since September 8th, reflecting renewed optimism in AI-linked equities. The bounce came after last week's pullback in AI stocks, which had cooled as investors worried about stretched valuations and the sustainability of the AI boom.

What's driving the recovery?

The turnaround was fueled by signals that corporate spending on AI tools remains robust. Investors are focusing on the fact that companies are still investing heavily in AI infrastructure, which supports demand for advanced chips and the data centers that run them. That demand is a key driver for the region's semiconductor and tech supply chains.

Taiwan's benchmark index rose as much as 1.9% to a record high, while South Korea's KOSPI climbed as much as 2.3% to its highest since September 8th. Both markets are home to some of the world's largest chipmakers and AI hardware suppliers, making them direct beneficiaries of AI spending.

Lower US Treasury yields also provided a tailwind, as they reduce the discount rate applied to future earnings, making growth stocks more attractive. This is particularly relevant for tech and AI names, which often trade at higher valuations based on expected future profits.

Indonesia's slide ahead of rate decision

In contrast, Indonesia's market slid as investors awaited Bank Indonesia's interest rate decision. The central bank is widely expected to hold rates steady, but any surprise could move markets. A rate cut would be seen as supportive for growth, while a hike could signal concern about inflation or currency stability.

Emerging market investors are also keeping an eye on the broader macro backdrop, including the path of US interest rates and the strength of the dollar. A weaker dollar and lower yields tend to benefit emerging markets, as they ease financial conditions and reduce the burden of dollar-denominated debt.

What it means for investors

For everyday investors, the rebound in Asia's AI trade is a reminder of how interconnected global markets are. A rally in US chip stocks can quickly translate into gains for Asian tech exporters, and vice versa. The AI theme remains a powerful driver, but it's also prone to sharp swings as sentiment shifts.

Investors should note that while the long-term trend for AI spending appears intact, short-term volatility is normal. The recent pullback and recovery highlight the importance of diversification and a long-term perspective. Rather than trying to time the market, it's often wiser to focus on companies with solid fundamentals and clear exposure to structural growth trends.

For those with exposure to Asian equities, the current environment offers both opportunities and risks. The AI trade is likely to remain a key theme, but it's essential to stay informed about developments in corporate spending, central bank policies, and global economic data.

As always, past performance is not a guarantee of future results. Investors should consider their own financial situation and risk tolerance before making any decisions.

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