Aussie dollar improves overnight.
Aussie dollar rises against greenback for second day in a row.
The Australian dollar has risen against the greenback.
The Aussie dollar has risen against the US dollar over the weekend.
Australian dollar increases against the greenback.
The Australian dollar has risen slightly, though still short of performance last week.
Australian dollar falls over weekend.
Dollar rises to 74.27 US cents.
Aussie dollar holds above 78 US cents.
Aussie dollar stronger on iron ore prices.