[South Korea's KOSPI Index Opens Up 1.8%, SK Hynix Rises Over 2%] According to reports from Cailian Press, South Korea's KOSPI Index opened up 1.8%, at 5653.99 points. SK Hynix and Samsung Electronics both rose over 2%. The Nikkei 225 Index opened 0.78% higher, at 64925.29 points.