The dollar firmed in early Asian trading on Monday, though a tense situation in Ukraine was likely to keep traders on their toes, with some markets still closed for the Easter holiday. The dollar rose to a 2 1/2 week high against the yen after data showed Japan logged a record trade deficit in the fiscal year that ended in March. It last bought 102.58 yen, up about 0.1 percent, after rising as high as 102.63 yen. The U.S. unit also edged higher against a basket of major currencies, with the dollar index .DXY adding about 0.1 percent to 79.871. Many markets around the world were closed on Friday ahead of Easter ... (full story)