The Mexican currency declined today after a series of international events affected the peso negatively, as the crude oil declined and China entered a trade dispute with the United States.

The Brazilian currency proceeded with its previous week gains as optimism in the country’s equities markets rose, as new initial public offerings are likely to attract international capital to the Brazilian economy.

The pound started the week losing versus most of major traded currencies around the world as speculations suggested that the crisis in the real estate sector will continue in 2010, decreasing attractiveness for the U.K.’s currency in foreign exchange markets.

The yen, known for its safety profile, climbed further in the beginning of this week versus the euro as several other currencies as speculations suggesting that protectionist measures may be taken in trade between China and U.S., fact which if confirmed, would slower the global economic recovery.

The dollar had the sharpest decline since May versus most of the 16 main traded currencies as the U.S. currency is having its attractiveness decreased since borrowing costs declined, forcing investors to look for yield in other markets around the world.

After touching a one-year high versus the greenback this week, the Brazilian currency declined in a corrective movement, as speculations suggested that the wealthiest economy in South America may not provide support for extensions in the current real’s rally.

The Mexican peso climbed during this week as risk appetite rose in international trading markets increasing attractiveness for emergent markets assets, but today, after the opposition party attitude towards new taxes, the peso declined.

The dollar had a week of extremely negative performance hitting several record lows versus most of the main 16 currencies as demand for yield and investors’ confidence rose worldwide, this time, fueled by two reports in China that added to the already growing optimism in trading markets.

The Australian dollar was affected yesterday by a series of negative domestic reports that halted a rally which set the currency to a one year high versus the greenback, but today, after favorable reports coming from Asia, the Aussie managed to reestablish its previous winning trend.

The pound reached the highest level in almost a month versus the U.S. dollar and gained versus the euro after Bank of England statements regarding its strategy to stimulate the faltering British economy revived investors’ confidence in the United Kingdom’s currency.