The U.S. currency rebounded versus the euro before the end of this week’s session as another positive report brought optimism towards the economic outlook in 2010 for the United States.

The Brazilian real finished 2009 as the best performing currency in foreign-exchange markets among 16 main traded currencies, as stocks had the highest rise in 6 year in the South American nation.

The pound extended its weekly gains today versus the euro and the U.S. dollar, ending the year with the first advance versus both since 2006, as the British economy shows its first evidences of recovery, affecting its currency positively.

After gaining more than 5 percent this month versus the euro the greenback declined as investors speculate that current gains for the U.S. currency may have been excessive, forcing the dollar down versus higher-yielding currencies as well.

The Czech koruna advanced to a one week high versus the euro after a positive industrial report that fueled speculations that one of the most affected European economies is emerging for the hardest crisis since the end of communism in Czech Republic.

After speculations that the British currency would be undervalued in currency markets, the pound managed to climb versus the euro and the greenback, as it touched the lowest rate in 11 months versus the U.S. dollar earlier.

The U.S. dollar had a bullish performance today and gained considerably versus the euro and the yen as speculations rose that the Fed will start a process of lifting economic stimulus introduced during the worst moments of the global slump to revive the U.S. economy.

The Canadian dollar dropped from the highest level in 2009 versus the euro as stocks did not manage to extend the advance reached in the beginning of the week, forcing the currency down also versus its U.S. counterpart.

The Canadian dollar, together with other currencies from commodity producer countries, is profiting from positive estimates for 2010 global economic recovery, which if confirmed will raise demand for Canadian commodities, consequently pushing the loonie up.

The South African rand was one of the best performing currencies today in foreign-exchange markets as appeal for higher-yielding commodity exporter currencies was high, providing support for the rand to beat even an attractive dollar in today’s session.