The benchmark Nikkei 225 index was up 1.66 percent or 491.91 points at 30,131.31 while the broader Topix index advanced 1.57 percent or 32.08 points to 2,075.63
The benchmark Nikkei 225 index was up 1.31 percent or 380.52 points at 29,508.63 in early trade, while the broader Topix index gained 0.93 percent or 18.82 points to 2,034.27