The 225-issue Nikkei Stock Average added 143.28 points, or 0.49 percent, from Wednesday to 29,179.84.
The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, rose 4.57 points, or 0.24 percent, at 1,924.31.
Marine transportation, pulp and paper, and electric power and gas issues comprised those that gained the most by the morning break.
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