Japan's Nikkei 225 Index and South Korea's KOSPI Index opened significantly higher on April 8, following a two-week ceasefire in the Middle East. The Nikkei 225 rose by 952.10 points, or 1.78%, reaching 54,381.66. Meanwhile, the KOSPI Index surged by 329.13 points, or 5.99%, to 5,823.91, reflecting positive investor sentiment in the region.