US dollar buoyed by Trump's Greenland about-face; Aussie jumps after jobs data

By Kevin Buckland TOKYO, Jan 22 (Reuters) - The U.S. dollar held on to overnight gains against major peers on Thursday after President Donald Trump withdrew a threat to impose tariffs on a number of European NATO nations, trumpeting the framework of a deal with NATO over control of Greenland. That put the safe-harbour Swiss franc on the back foot, retreating sharply from a three-week high, while