Today, Australian dollar hit nearly three-months high. The dollar shot up to 72.30 US cents today, the highest since first week of January, as investors grew more hopeful about the state of the global economy. The dollar has since eased to 71.39 US cents in afternoon trade. This morning  there has been high hopes that the resolutions from the G20 meeting of leaders will improve the world’s ailing economy. Kinetic Securities chief economist Clifford Bennet said, “Australia is looking to remain 79 cents.”