Asian Chip Stocks Decline on AI Spending Concerns Ahead of Central Bank Meetings

Asian stocks started the week on the back foot, led by a broad sell-off in semiconductor shares as investors questioned the profitability of massive artificial intelligence spending. Caution also prevailed across regional markets ahead of a pivotal week of corporate earnings and central bank policy decisions from the U.S., Europe, and Japan.

Chipmakers Lead Regional Declines

The weakness in the technology sector was pronounced across Asia, following a similar sell-off in U.S. tech shares on Friday. Investors are growing concerned about whether enormous capital expenditures in AI infrastructure will generate sufficient returns.

Key market movements included:

• Japan's Nikkei 225 fell 0.8%, with chip-related firms Tokyo Electron (TYO:8035) and Renesas Electronics (TYO:6723) both dropping more than 3.5%.
• South Korea's benchmark KOSPI declined 1.5%, as index heavyweight Samsung Electronics (KS:005930) shed 1.2%.
• Chinese chipmakers also retreated, with Hong Kong-listed SMIC (HK:0981) falling 2.6% and Hua Hong Semiconductor (HK:1347) dropping over 5%.

Earnings Season Scrutiny

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Investors are looking to upcoming quarterly results from major U.S. technology companies, including Microsoft, Alphabet, and Amazon, for evidence that rising AI-related spending is translating into sustainable revenue growth. The reports will be a key test of the AI investment thesis that has propelled markets this year.

The focus on earnings is also regional, as Asia enters one of its busiest reporting weeks. According to Bloomberg data, approximately 550 companies in the MSCI Asia-Pacific index are expected to report results. South Korean memory-chip makers SK Hynix (KS:000660) and Samsung Electronics will be among those closely watched.

Markets Brace for Central Bank Decisions

Adding to market caution is a slate of monetary policy meetings this week. The U.S. Federal Reserve, the European Central Bank, and the Bank of Japan are all scheduled to announce policy decisions.

While the Fed is widely expected to leave interest rates unchanged, investors will scrutinize its forward guidance for clues on the future path of borrowing costs. The outlook is complicated by elevated oil prices, which threaten to reignite inflationary pressures. The Bank of Japan is also broadly expected to maintain its current policy settings.