The benchmark Nikkei 225 index dropped 0.31 percent or 93.92 points to 29,745.79 in early trade, while the broader Topix index fell 0.35 percent or 7.27 points to 2,057.28
The benchmark Nikkei 225 index plunged 2.17 percent or 660.34 points to end at 29,839.71, while the broader Topix index fell 1.70 percent or 35.62 points to 2,064.55
The benchmark Nikkei 225 index ended up 1.83 percent, or 531.78 points, at 29,659.89, while the broader Topix index gained 1.28 percent, or 25.77 points, to 2,041.22
The Nikkei 225 index rose 1.29 percent, or 361.48 points, to 28,451.02, while the broader Topix index gained 1.02 percent, or 20.09 points, to 1,980.79