SYDNEY (Reuters) - Asian shares marched toward a decade high on Thursday, on track for their best annual performance since 2009 as investors bet on a bright outlook for the global economy with copper at a four-year peak. MSCI’s broadest index of Asia-Pacific shares outside Japan . MIAPJ0000PUS advanced 0.8 percent to stay within sight of November’s high of 570.2 points, a level unseen since late 2007.