Asian Chip Stocks Slide on U.S. Selloff
Shares of major semiconductor makers fell in Korea, Japan and Taiwan after an overnight drop in U.S. chip stocks.
Updated on Nov. 5, 2026 in Semiconductors
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Should the government impose tighter regulations on data centers?
Chip shares fell sharply in Korea, Japan and Taiwan on Thursday after an overnight selloff in U.S. semiconductor stocks. Samsung Electronics and SK Hynix shares dropped after paring steeper losses earlier in the session.
Why it matters
Investors worried that Democratic control of Congress could lead to tighter regulations on data centers, and Democrat Gina Hinojosa's election as Texas governor has raised similar concerns. The moves reflect how regulatory expectations can ripple quickly through global chip markets.
Samsung Electronics shares dropped 4.8%, SK Hynix fell 7.0%, and Tokyo Electron lost 7.6% in Thursday trading. Taiwan Semiconductor Manufacturing rose 0.4%, while Chinese names such as Shanghai Biren Technology gained 11%.
The players
Samsung Electronics
Samsung Electronics is a South Korean electronics conglomerate and one of the world's largest memory chip manufacturers.
SK Hynix
SK Hynix is a South Korean semiconductor company known for producing DRAM and NAND flash memory chips.
Taiwan Semiconductor Manufacturing Co.
Taiwan Semiconductor Manufacturing Co. is the world's largest contract chipmaker, supplying advanced processors to major technology firms.
The details
Chip shares fell sharply in Korea, Japan and Taiwan after an overnight selloff in U.S. semiconductor stocks. Chinese semiconductor stocks rose broadly on the same day, with Moore Threads gaining 5.65% and SMIC shares rising in Hong Kong.
Timeline
Overnight before Thursday: Selloff in U.S. semiconductor stocks.
Thursday: Asian chip stocks fell in Korea, Japan and Taiwan.
The Tech Race
Chipmakers tied to artificial-intelligence infrastructure depend heavily on data-center construction, so proposed federal oversight of data centers directly shapes semiconductor demand forecasts. Investors are now weighing that policy risk against China's rising chip champions, whose shares gained as Western names retreated.
Higher volatility in chip stocks can affect retirement accounts and index funds that hold semiconductor makers. Consumers may also feel the effects later through pricing and availability of devices if chip supply or demand shifts.
The takeaway
Investors watching chip stocks should track regulatory developments around data centers alongside company earnings. Policy changes can move semiconductor shares as much as product news.
Further reading
For more on the companies and supply chains behind these moves, explore our Semiconductors coverage.
Live Poll
Should the government impose tighter regulations on data centers?
