This Asian Market Is Up 81%, And It Can Thank The AI Buildout

South Korea's stock market has surged, driven by domination in AI memory-chip supply and heavy weights Samsung and SK Hynix, lifting the Kospi and related ETFs well ahead of global peers. The rally reflects strong fundamentals for memory makers (robust revenue and profit gains) and large share gains in the MSCI EM benchmark, but political and policy risks — comments about taxing AI windfalls and U.S.-Korea tariff threats — have produced short-term volatility. U.S. equity tech names tied to AI and memory demand (Nvidia, Microsoft, Micron) are key cross-market linkages. For regional and global investors, the boom highlights concentration risk (a few firms account for a large share of returns) and argues for watching chip-capacity dynamics, trade policy and any Korean regulatory moves that could affect market leadership.