The Nikkei index of 225 issues rose slightly, up 0.38 percent.
The Nikkei index of 225 issues fell 284.03 points today, or 1.66 percent, to close at 16,787.33.
The Nikkei index of 225 issues finished up 94.45 points, or less than 1 percent, to 25,976.02.
The Nikkei index of 225 issues closed up 199.92 points, or nearly 1 percent, at 20,791.68.
In the early afternoon, the Nikkei index of 225 issues was up 964.93 points, or 4.03 percent, to 24,927.00.
The Nikkei index of 225 issues fell 2.5 percent yesterday.
The Nikkei index of 225 issues lost 909.48 points, or 3.87 percent, to close at 22,585.63.
The Nikkei index of 225 issues ended up 886.27 points to 26,230.01.
The Nikkei index of 225 issues rose 817.41 points, or 3.56 percent, to close at 23,801.18.
The Nikkei index of 225 issues closed today down 556.35 points, or 3.10 percent, at 17,384.84.