SINGAPORE, Jan 29- The dollar inched lower versus the yen on Tuesday but hovered within sight of a 2-1/ 2 year high hit a day earlier, while the Australian dollar rose on data showing a rebound in Australian business confidence.
SINGAPORE, Jan 29- The yen on Tuesday slipped back toward a 2 1/ 2 year low struck a day earlier against the dollar, hurt by signs of upbeat sentiment toward risky assets, while the Australian dollar rose on data showing a rebound in Australian business confidence.