Tokyo stocks opened higher Monday as the yen's weakness against the U.S. dollar supported buying of export-oriented issues.
In the first 15 minutes of trading, the 225-issue Nikkei Stock Average rose 532.01 points, or 1.37 percent, from Friday to 39,239.65. The broader Topix index was up 33.27 points, or 1.25 percent, at 2,704.07.
On the top-tier Prime Market, gainers were led by marine transportation, insurance and transportation equipment issues.
At 9 a.m., the dollar fetched 148.96-97 yen compared with 149.03-13 yen in New York and 148.57-59 yen in Tokyo at 5 p.m. Friday.
The euro was quoted at $1.0883-0887 and 162.08-17 yen against $1.0882-0892 and 162.25-35 yen in New York and $1.0880-0881 and 161.65-69 yen in Tokyo late Friday afternoon.