Tokyo's benchmark index rose for a 10th straight session on Thursday, marking its longest consecutive rally since the heady days of Japan's stock market bubble more than a quarter of a century ago.

The Nikkei 225 at the Tokyo Stock Exchange added 0.39 percent, or 78.88 points, to finish at 20,551.46, the longest winning streak since a 13-day run in February 1988.

The broader Topix index of all first-section shares climbed 0.69 percent, or 11.43 points, to 1,672.76.