Tokyo stocks opened flat Tuesday, as moves to lock in gains after a recent rally were offset by buying amid continued optimism for Japanese equities.
In the first 15 minutes of trading, the 225-issue Nikkei Stock Average rose 23.91 points, or 0.06 percent, from Monday to 40,438.03. The broader Topix index was down 1.76 points, or 0.06 percent, at 2,775.88.
On the top-tier Prime Market, gainers were led by mining, insurance and machinery shares. The main decliners were land transportation, farm and fishery, and air transportation issues.
At 9 a.m., the U.S. dollar fetched 151.36-39 yen compared with 151.37-47 yen in New York and 151.32-33 yen in Tokyo at 5 p.m. Monday.
The euro was quoted at $1.0835-0839 and 164.00-09 yen against $1.0833-0843 and 164.05-15 yen in New York, and $1.0813-0814 and 163.63-67 yen in Tokyo late Monday afternoon.
