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South Korea formally overtook India to rank the sixth-largest equity market worldwide by capitalisation on June 1, 2026, so capping an amazing financial rise driven by artificial-intelligence demand. Driven by a furious semiconductor surge, South Korea's market valuation dropped to $4.84 trillion while its market cap increased to an amazing 86% in 2026 alone—to $5.04 trillion. The achievement ends a remarkable run in which Seoul's benchmark KOSPI index more than quadrupled this year and surpassed other developed nations including France, Germany, Canada, and the United Kingdom in the international rankings.
The explosive growth is centered in an artificial intelligence memory-chip supercycle whereby record supply shortages collided with insatiable demand from hyperscalers and significant AI infrastructure buildouts to drive memory prices significantly higher. Two members of the exclusive $1 trillion valuation club, Samsung Electronics and SK Hynix, control the worldwide supply of AI memory chips and, along with high-bandwidth memory semiconductors, make around 60% of South Korea's overall market capitalization. The change reflects a like coup in nearby Taiwan, which last week surpassed India to take the fifth spot with $5.15 trillion, therefore emphasizing how East Asia's focused semiconductor expertise is fast transforming the map of world wealth.
Still, the stock market success covers a different economic reality on the ground. Although South Korea's equity market now towers above India's, IMF projections show India's real economy is still much bigger, with a GDP of about $4.15 trillion versus South Korea's $1.93 trillion. The difference emphasizes the remarkable extent to which Korean share values have become linked to the unstable AI gear sector; India's bigger, more varied economy has not converted into like market-cap development. With India dropping to seventh position following two quick Asian ascents, the changes remind us strongly that market valuation and basic economic weight do not always go hand in hand.
