China (Australia) fact of the day

In markets, speculators, unable to bet on a yuan pegged to the U.S. dollar, use the currencies of China's main trading partners instead.  That has helped make the Australian dollar the fifth-most-traded currency in the world — after the U.S. dollar, the yen, the pound, and the euro — even though Australia is the 18th largest economy.

The full story, on the China-Australia, relationship is here, in the new, revamped, and excellent Bloomberg BusinessWeek.