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SK Hynix falls 10% in Seoul as chipmaker sell-off extends to South Korea

7/28/2026

South Korean chipmaker SK Hynix fell 10% in Seoul on Tuesday, pulling broader semiconductor shares in the region lower with it.

The session extended a rout already underway in the chip sector after Wall Street turned in another weak performance. The sell-off deepened across two trading sessions on opposite sides of the Pacific.

Sector-wide pressure in Seoul The headline number was 10% for SK Hynix, but the session's broader character matters as much as the single name.

South Korean semiconductor shares tumbled across the board on Tuesday, widening the scope of a sell-off that had been building in chip stocks. A sector-wide move reads differently than a company-specific decline.

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