INSIGHTS

Tuesday (June 23, 2026) morning in Seoul (South Korea), investors watched the KOSPI 200 do something it had never done before. By the closing bell, South Korea's benchmark index, the country's answer to the S&P 500, had shed nearly 10% in a single session. Worst day in its history. Most American investors clocked the headline and kept scrolling. It needs some attention. Here's why: different countries specialize in different industries, and that gives their markets a kind of