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Asian AI stocks sank as SK Hynix fell nearly 6%, Tokyo Electron 6% and SoftBank 5.6%, while US tech futures dropped on doubts over AI spending returns.
- SK Hynix fell nearly 6%, Tokyo Electron about 6%, SoftBank about 5.6% and Samsung more than 4%.
- US tech futures fell sharply, pointing to a weak open for Nvidia and other AI names.
- The trigger was renewed doubt that heavy data-center spending will earn adequate returns.
Lead
Asian AI stocks sold off on Thursday, October 22, as investors again questioned whether the scale of spending on artificial intelligence infrastructure will pay for itself. SK Hynix (000660.KS) fell nearly 6%, Tokyo Electron (8035.T) about 6%, SoftBank Group (9984.T) about 5.6% and Samsung Electronics (005930.KS) more than 4%. US technology futures fell sharply, signalling that the pressure would carry into the New York session.
What Happened to Asian Chip Stocks?
Memory makers and chip-equipment suppliers led the decline across Seoul and Tokyo. These companies sit closest to the AI build-out. SK Hynix supplies the high-bandwidth memory used alongside Nvidia (NVDA) accelerators. Tokyo Electron sells the fabrication tools that chipmakers buy when they expand capacity.
Samsung's fall of more than 4% was the smallest of the group, though it is the largest company by market value in the Korean benchmark. SoftBank, which has tied its strategy to AI investments, fell almost as far as the equipment names. The move extends a volatile month for the sector. Chip shares in the region fell by double digits on October 15 on concerns over AI financing and the cost of capital.
Why Did Investors Sell AI Stocks Again?
Investors sold because the case for continued AI spending depends on future returns that remain unproven. Chip and equipment makers earn revenue today from data-center budgets. If those budgets stop growing, order books for memory, tools and accelerators weaken quickly. Any sign that returns on that capital are slower to arrive prompts a repricing of the whole supply chain.
The reaction was sharp because positioning in the sector was crowded. Memory and equipment stocks had gained heavily on expectations of multi-year demand, so even modest doubt produced large single-day moves. Higher oil prices added to the cautious tone across regional markets.
How Are US Markets Responding?
US tech futures dropped sharply, which points to a weak open for large-cap AI beneficiaries. Nvidia, the bellwether for accelerator demand, is the main stock to watch. Leveraged semiconductor products such as SOXL magnify these swings, so moves in the underlying chip index translate into much larger changes in the fund's price.
Asian semiconductor shares have recently tracked US chip stocks closely. A weak close on Wall Street tends to lift selling pressure in Seoul and Tokyo the next morning, and the reverse also holds.
What Comes Next for the AI Trade?
The next test is how AI-exposed companies describe capital spending and customer demand in upcoming earnings reports and guidance. Firm commitments from large cloud buyers would support memory and equipment orders. Signs of restraint would extend the current rotation out of the sector.
Interest rates and financing costs remain a second variable. AI infrastructure is capital-intensive, and higher funding costs raise the return investors demand from it. A further rise in yields would add to pressure on the most richly valued names.
Outlook
Thursday's declines show how sensitive Asian chip shares are to any change in the AI spending narrative. SK Hynix, Tokyo Electron, SoftBank and Samsung all fell by 4% or more, and US futures point lower. Direction from here depends on corporate spending guidance, the path of financing costs and whether US chip stocks stabilize at the open.
