KOSPI Soars to Record 6388 as Semiconductor Rally Defies Middle East Tensions
- Posted on April 21, 2026
- By International Business Times
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KOSPI Soars to Record 6388 as Semiconductor Rally Defies Middle East Tensions

Gains were led by heavyweight technology names, particularly memory chip giants. SK Hynix soared more than 5 percent to top 1.2 million won per share for the first time, hitting the symbolic "1.2 million nix" milestone.