Tokyo stocks soared 1.46 percent by the break of Thursday, as rebounding crude oil prices and the yen' s depreciation lifted market sentiment.
The 225-issue Nikkei Stock Average was up 245.86 points, from Wednesday to 17,041.82.
The broader Topix index of all First Section issues on the Tokyo Stock Exchange gained 15.21 points, or 1.12 percent, to 1, 373.19.
Major advancing industry sectors included mining, construction and rubber.