KOSPI Opens at 6,149, Up 0.95%—Best April in 28 Years

South Korea's KOSPI index opened at 6,149.49 points, up 0.95% on strength from AI semiconductor rallies. SK Hynix surged 60% and Samsung Electronics rose 35%, helping the April monthly gain reach 31%—the strongest April performance since January 1998, a 28-year high.