The Japanese yen weakened today as the demand for the safety waned after the Group of Twenty leaders agreed on the measures to battle the budget deficits, boosting the equities.

The strength of the U.S. dollar was severely tested this week by the bad macroeconomic indicator, and the U.S. currency passed this test not very well, rising questions about its credibility as the safe currency.

The Canadian dollar strengthened today, rising for the first time this week against the U.S. currency and for the first time in four days versus the euro, as the crude oil gained and the U.S. economic growth were slower than expected, increasing the demand for the safe haven.

The U.S. dollar weakened today against the Great Britain pound and the Japanese yen as the economic growth in the first quarter of this year were lower than expected; the concerns about the European debt crisis allowed the U.S. currency to rise versus the euro before returning to the opening level.

The euro fell today on the speculation that on the forthcoming meeting the Group of Twenty nations’ leaders would fail too achieve agreement on the way to deal with the European crisis.

The Chinese yuan rose today as China set the daily reference rate to the record high level, giving the currency the chance to appreciate before the Group of Twenty nation’s meeting tomorrow in order to stop criticism for the yuan’s dollar peg.

The Canadian dollar weakened today, the fourth straight session of declines versus the U.S. currency, as the concern for the global economic recovery drove the stocks and the commodity prices down.

The New Zealand dollar weakened today on the speculation that it rallied yesterday too much and after the forecast about the slow economic grow proved true.

The Japanese yen extended its gains against the euro and the U.S. dollar today as the concerns that the economic recovery in the U.S. and Europe may slow fueled the demand for the safety.

The Australian dollar rose today against its New Zealand counterpart as the speculation arose that the government will make changes to the planned mining tax after the Prime Minister Kevin Rudd resigned.