The South African rand weakened today, extending its longest decline in a year and touching the lowest level in four years, on concerns that worker strikes and falling commodity prices will hurt the nation’s economy.

The euro’s struggles against the US dollar continue today, with Germany and the ECB disagreeing on the next policy move. Euro has managed to make up some lost ground, though, paring its earlier losses as risk appetite rises on better equity performances. However, with commodities lower, the euro isn’t likely to find too much support.

Canadian dollar is heading lower today, dropping along with other commodity currencies. With commodities plunging, it is little surprise that currencies like the loonie are losing ground today.

The Canadian dollar retreated today following yesterday’s gains as poor macroeconomic data from the United States and China drove commodity prices lower. The rally on the previous trading session was caused by good domestic fundamentals.

The Canadian dollar was rallying against most major currencies at the beginning of this week, but it fell against the US dollar and the Japanese yen today. The currency traded sideways versus the euro.

Canadian dollar is getting a little help today, heading higher after recent losses. The loonie’s success against the greenback is being helped along by higher commodity prices.

Commodities are taking a plunge today, and commodity currencies like the Canadian dollar are falling right along with them. Loonie is especially impacted by the drop in oil prices.

The New Zealand dollar jumped today after the commodity price index surged last month, increasing the attractiveness of nation’s assets. The currency touched the highest level since February 20 against its US counterpart.

Aussie dropped earlier in trading as ALP Labor veteran Simon Crean called for a leadership spill. The Australian dollar dropped as political uncertainty reigned in Australia. Concerns about Julia Gillard’s stint as Prime Minister weighed on the Australian dollar, but the Aussie seems to be coming out of it a bit right now, with Gillard’s leadership confirmed.

The New Zealand dollar fell today against its US peer as commodities retreated amid political turmoil in the European Union. The currency also dropped versus the Japanese yen after touching the highest level since August 2008.