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57m ago

Korea's Equity Surge Swells Big-Cap Ranks to 61 as Chips Lead Market-Cap Jump

New KRX figures underscore a chip-led advance that is drawing volatile foreign participation.

This photo taken on Oct. 25, 2025, shows the financial district of Yeouido, central Seoul. (Yonhap)
Business leaders, including SK Group Chairman Chey Tae-won (L) and Samsung Electronics Chairman Lee Jae-yong (C), attend a meeting headed by President Lee Jae Myung at the presidential office on Nov. 16, 2025, to discuss follow-up measures after the release of a joint fact sheet on bilateral trade and security agreements with the United States. (Yonhap)
An official moves at a dealing room of Hana Bank in Seoul on Nov. 17, 2025. (Yonhap)
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Overview

  • Since early June, KOSPI market capitalization rose by about 1,088 trillion won to roughly 3,299 trillion won, with the index last closing at 4,011.57 after a recent pullback.
  • The count of companies valued at 10 trillion won or more increased to 61, including 58 on the KOSPI and three on the KOSDAQ—Alteogen, EcoPro BM and EcoPro.
  • Samsung Electronics climbed 73% to 575.4 trillion won and SK hynix nearly tripled to 407.7 trillion won, together accounting for about 46% of the KOSPI’s market-cap gains.
  • LG Energy Solution entered the 100 trillion-won tier as semiconductor and battery leaders dominated the advance.
  • Foreign investors, net sellers in November with 9.1 trillion won offloaded, turned net buyers at Monday’s open as chip shares rebounded and lifted the KOSPI to roughly 4,050.