SYDNEY/SINGAPORE, Jan 11 (Reuters) - The US dollar dropped on Monday, suffering its biggest fall in six weeks in the wake of disappointing US jobs data, while the Australian dollar soared on the back of strong ...http://www.reuters.com/article/idUSSGE60A08O20100111?type=usDollarRptLONDON, Jan 12 (Reuters) - Commodity currencies slipped on Tuesday after China said it would tighten banks' reserve requirements, raising concerns the move may dent Chinese demand and slow global economic recovery. ......