From record highs to a sharp fall: South Korea’s market plunged 10%, here's why

South Korea's stock market experienced a dramatic plunge, with the KOSPI tumbling nearly 10% after hitting record highs. Investors rushed to sell chip stocks, particularly Samsung Electronics and SK Hynix, amid concerns of excessive speculation and the impact of leveraged investment products. This sharp sell-off follows a strong year for the market, with attention now turning to US chipmaker Micron's earnings for sector direction.