SYDNEY, Sept. 12 (Xinhua) -- The Australian dollar soared to its highest level in three weeks on Wednesday amid optimism the U. S. Federal Reserve will introduce a fresh round of economic stimulus.
At the closing session, the Australian dollar was trading at 104.72 U.S. cents, up from 103.50 U.S. cents on Tuesday.
During the day, the local unit traded between 104.27 U.S. cents and 104.91 U.S. cents.
At 1700 local time, the Australian dollar was trading at 81.55 Japanese yen, up from Tuesday's close of 80.92 yen and at 81.37 euro cents, up from 80.83 euro cents previously.