The South Korean currency, one of the best performers in 2009 among Asian emerging markets, had a severe weekly decline as risk aversion remained predominant after China’s statements regarding new regulations on its economy.

The U.K. currency retreated from a previous advance versus the euro as attractiveness for the currency declined after a report showed worse than expected numbers for monthly retail sales in Britain before the end of this week’s session.

After touching the lowest level in 2010 yesterday versus the U.S., the euro advanced on speculations that a White House proposal will shun investors from North America, allowing the euro to gain versus the greenback in foreign-exchange markets this Friday.

The Canadian currency is going to end this week with the worst performance since the year started, as commodities and stocks declined during most of the week and today a retail sales report showed negative monthly figures, shunning investors from loonie-priced assets.

The Canadian dollar was one of the most affected currencies by a new wave of risk aversion today as the country’s currency has a strong correlation with stocks and commodities markets, which fell significantly on statements regarding financial restrictions to be imposed by China and the United States.

The Brazilian currency was affected by a new wave of risk aversion after U.S. President Barack Obama proposed new regulations for financial instituitions in the country, raising concerns among traders that avoided emerging markets this Thursday.

The yen outperformed most of the 16 main traded currencies after the U.S. President affirmed that financial institutions must have their operations regulated in order to avoid speculations, raising risk aversion in all trading markets in the world.

The pound dropped yesterday and today ending a winning streak of more than a week versus several currencies as the country’s budget deficit increased to an all time record high, showing that despite positive data, the British economy is still far from healthy.

After losing significantly during most of this Wednesday’s session as risk aversion prevailed globally, the kiwi rebounded in currency markets as retail sales advanced in the country reviving the confidence regarding the Southern Pacific economy.

The Brazilian real touched the weakest level in a month as risk aversion remained predominant in today’s trading session globally, since equities and commodities markets continued to follow a bearish trajectory in most of the key-economic regions around the world.