SINGAPORE - The dollar edged higher on Thursday as investors reassessed their expectations of the scale of rate cuts by the Federal Reserve this year, with an air of caution hanging over markets after an impressive risk rally last month. The greenback was on the front foot in early deals in Asia, as trading returned to full swing with Japan back from an extended New Year break. Against the yen, the dollar stood near a two-week peak and last bought 143.09 yen, having jumped more than 0.9 percent against the Japanese currency in the previous session, its best day since October. The Australian dollar, often used as a proxy for risk appetite, languished near Wednesday's two-week...Keep on reading: Dollar rebounds as traders rethink Fed rate cut expectations