* Dollar index drops as low as 78.111, lowest this year
* Aussie climbes to 10-mth high and sterling hits 9-mth peak
* Euro reverses gains to 2-month high
* Market awaits a slew of U.S. economic data
The dollar hovered near its lowest point this year against a basket of currencies on Monday after higher oil prices, steady global stock markets and U.S. GDP data boosted investments in riskier assets. >>