Tokyo stocks erased advances and fell Monday morning, as investors locked in early gains that tracked rises on the U.S. Dow Jones Industrial Average late last week.
The 225-issue Nikkei Stock Average fell 145.82 points, or 0.43 percent, from Friday to 33,479.71. The broader Topix index was down 9.31 points, or 0.39 percent, at 2,381.63.
On the top-tier Prime Market, decliners were led by nonferrous metal, electric power and gas, and transportation equipment issues.