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SEOUL – South Korea’s benchmark Kospi index broke through the 8,000-point milestone for the first time on May 15, 2026, marking a historic rally driven by the global artificial intelligence boom and soaring semiconductor stocks.
The surge highlights Seoul’s growing ambition to position itself as a central player in the AI economy, though analysts caution that the pace of growth may not be sustainable.
A Historic Breakthrough
The Kospi briefly touched 8,000 points in morning trading before settling near 7,900 by the close, a remarkable leap from just 2,600 points a year ago.
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The rally was fueled by investor enthusiasm for AI infrastructure, particularly advanced memory chips that power data centers worldwide.
Market watchers noted that the rally coincided with gains on Wall Street, where AI linked stocks such as Nvidia rose 4.39% overnight, reinforcing global momentum in the sector.
Semiconductor Giants Lead the Charge
Samsung Electronics has seen its shares climb nearly 190% in six months, buoyed by record-breaking first-quarter earnings.
SK hynix surged 220% over the same period, reflecting unprecedented demand for high-bandwidth memory chips used in AI applications.
Together, these firms have become the backbone of South Korea’s market rally, cementing the nation’s role as a critical supplier in the global AI race.
Government Ambitions
Seoul has pledged to double AI investment in 2026, aiming to join the United States and China as one of the world’s top three AI powers. Policymakers are betting that the semiconductor boom will spill over into related industries, including AI infrastructure, energy, and power equipment, creating a broader growth engine for the economy.
Despite the euphoria, experts warn of potential risksm
Kim Dae-jong of Sejong University cautioned that demand for AI data centers could plateau within two years.
Seok Byoung-hoon of Ewha University questioned whether current valuations already reflect future earnings, raising concerns about overheating in the market.
Such warnings underscore the delicate balance between optimism and sustainability in South Korea’s economic trajectory.
Investor sentiment was further buoyed by geopolitical developments.
Presidents Donald Trump and Xi Jinping agreed to keep the Hormuz Strait open, easing concerns over global oil supply routes and stabilizing energy markets.
This backdrop has added confidence to investors betting on South Korea’s semiconductor-driven rally, reinforcing the Kospi’s historic climb.
The Kospi’s breakthrough above 8,000 marks a defining moment for South Korea’s financial markets.
With semiconductors at the heart of the AI revolution, the nation stands poised to reap significant gains.
Yet, as analysts remind, the sustainability of this rally will depend on whether global demand for AI infrastructure can match the feverish pace of investor expectations.
