The 225-issue Nikkei Stock Average tumbled 205.55 points, or 1.04 percent, from Monday at 19,492.60, a roughly three-week closing low, Xinhua reported.
The broader Topix index of all First Section issues on the Tokyo Stock Exchange was down 16.48 points, or 1.04 percent, to 1, 568.73.
Decliners were led by mining, oil and coal products, and iron and steel issues. The turnover was about 2,109.3 billion yen (about $17.13 billion). (IANS)