The South African rand, one of the best performing emergent market currencies in 2009 fueled by a commodities prices rally, extended its gains further today as a report published showed that the country’s economy returned to growth, adding attractiveness for the already winning rand this year.

After a losing week versus the U.S. dollar and the euro, the Brazilian currency had a rebound today as optimism returned to markets bringing investors to inject capital in emergent economies, providing support for the Brazilian real to advance versus several main traded currencies.

After posting the worst week in almost two months, the Canadian currency rebounded sharply today paring most of its previous days losses, as commodities exported from Canada had an increased demand today, attracting investors to purchase assets in the country.

After posting a negative performance last week versus its main rivals, the euro and the dollar, the pound had a breather today as risk appetite returned to equities and commodities markets, providing support for the U.K. currency to pare much of its losses versus the greenback and halt an advance of the European common currency.

After having a significant rally in the end of the last week versus the euro and several high-yielding currencies, the dollar fell today considerably, as the Federal Reserve is likely to maintain its interest rates at a record low for an undefined amount of time.

The pound had a negative week versus the U.S. dollar as the U.K. posted its worst deficit figures since the measurement start, decreasing attractiveness for the British currency which performed positively in the previous week.

The Australian dollar had one of the weakest performs in the past months this week as stocks declined worldwide, declining attractiveness for riskier assets as the opportunities available in the Australian high-yielding financial markets, forcing also the New Zealand currency down.

The South African rand had the first week of decline this month as speculations suggested that the currency’s rally could be a problem for the country’s economic future.

The Canadian dollar is ending this week’s session as the worst in more than two months as stocks and commodities, extremely influential to determine the rates and sentiment for the loonie dropped, setting the North American currency losing streak further down.

The dollar gained versus most of the 16 main traded currencies today as speculations surged that current levels for stocks are not backed by fundamental evidences, forcing equities down and bringing investors to purchase Treasury bonds to protect their portfolios.