Korea's KOSPI Index closed down 6.39 points, or 0.15%, to 4214.17 points on December 30. Korea's KOSPI Index closed up 75.6% for the year, the biggest annual increase since 1999. The Nikkei 225 Index closed down 187.44 points, or 0.37%, to 50339.48 points on December 30. The Nikkei 225 Index performed strongly in 2025, surging more than 10,000 points throughout the year and closing at 50,000 points.

Korea's KOSPI Index closed down 6.39 points, or 0.15%, to 4214.17 points on December 30. Korea's KOSPI Index closed up 75.6% for the year, the biggest annual increase since 1999. The Nikkei 225 Index closed down 187.44 points, or 0.37%, to 50339.48 points on December 30. The Nikkei 225 Index performed strongly in 2025, surging more than 10,000 points throughout the year and closing at 50,000 points.