Tokyo stocks opened lower Friday, with investors adopting a cautious stance ahead of the Bank of Japan's two-day policy meeting outcome later in the day.
In the first 15 minutes of trading, the 225-issue Nikkei Stock Average fell 240.47 points, or 0.84 percent, from Thursday to 28,382.68. The broader Topix index was down 18.45 points, or 0.89 percent, at 2,052.64.
Decliners included bank, securities house and retail shares.
At 9 a.m., the U.S. dollar fetched 136.37-38 yen compared with 136.07-17 yen in New York and 136.83-85 yen in Tokyo at 5 p.m. Thursday.
The euro was quoted at $1.0584-0587 and 144.33-39 yen against $1.0578-0588 and 144.01-11 yen in New York and $1.0556-0557 and 144.44-48 yen in Tokyo late Thursday afternoon.
