The U.S. dollar strengthened today on the speculation that there will be less demand for the non-Asian currencies after China relax its two-year peg.

The Chinese currency appreciated today against the dollar as China relaxed the yuan’s peg to the U.S. currency, the move which should stop blames for unfair trading advantage, brought by undervalued currency, from the U.S. President and other G-20 leaders.

This week was rather frustrating for the U.S. currency, which dropped versus most other major currencies, as the confidence about the U.S. economic growth was damaged by the signs of the economic recovery’s weakness.

The risk appetite improved, boosting the equities, today and the Canadian dollar benefited from this, though the rising oil prices perhaps contributed to the loonie’s strength even more.

The Great Britain pound reached today its highest level against the U.S. dollar since May 13th, before falling, as the number of mortgage approvals was higher than forecasted.

The Japanese yen strengthened today amid the concerns that the austerity measures, planned by the European countries in order to battle the sovereign-debt crisis, might derail the global economic recovery.

The U.S. dollar went down today after the set of the macroeconomic reports was released, which showed some rather unwelcome data, signaling that the U.S. economy expand at slower pace.

The Great Britain pound strengthened today against the U.S. dollar and some other most-traded currencies after the retail sales rose more than expected, suggesting that Britain’s economic recovery is strengthening.

The Malaysian ringgit weakened today as the threat of the spreading sovereign-debt crisis in Europe drove the investors to the safety of the U.S. dollar away from the Asian currencies.

The Swiss franc gained today, rising for a fourth day against the U.S. dollar, as the central bank think that the threat of the deflation has gone.