The Australian, Canadian and New Zealand dollars may be set for a decline, dragged down by a slowdown in China and a sharp fall in commodity prices. Tuesday's 0.8 percent slide by the Aussie versus the U.S. dollar, prompted by a rate cut, was just a foretaste. The Australian and New Zealand dollars are up 70 percent against the U.S. dollar since late 2008, driven up by near-zero rates in many developed countries. The euro zone crisis also led investors and central bank reserve managers to seek higher-yield, low-risk assets. The Canadian dollar has gained around 30 percent. Some analysts see all three currencies as ... (full story)