South Korean stocks have entered bear market territory, declining 20% from their February peak, marking a significant downturn for one of Asia's major equity markets.

The decline represents a substantial retreat from the market's earlier gains this year, reflecting broader concerns about the South Korean economy and investor sentiment in the region.

Meanwhile, Asian markets showed mixed performance, with notable outperformers including a Malaysian chemical producer that has surged 102% to become the top-performing stock across Asian markets.

The divergent performance highlights the varied conditions across Asian equity markets, with some sectors and individual companies posting strong gains even as broader market indices face pressure.

South Korea's market decline comes amid ongoing economic uncertainties and follows a pattern of volatility that has characterized global markets in recent months.