The dollar and the Japanese yen increased against major currencies during the Asian session, with growing fears of retaliatory terrorist attacks by al Qaeda after the death of their leader, Osama bin Laden, which increased demand for safe haven currencies like the yen and the dollar.

The euro started today's session with a decline against the dollar, as the pair trades around 1.4813 after recording the highest at 1.4817 and the lowest at 1.4770. The pair faces a support at 1.4720. The daily momentum indicators show the pair is trading at overbought.

The pound traded lower against the greenback, trading around 1.6626 after recording the highest at 1.6644 and the lowest at 1.4770. The pair faces a support at 1.6550. The daily momentum indicators show the pair is in an overbought area.

The dollar/yen pair decreased during the Asian session, as the pair trades around the 80.97 level, recording the highest at 81.22 and the lowest at 80.96. The daily momentum indicators show the pair is in an oversold area.