The S&P/ASX 200 index closed up 1 percent or 55.9 points to 5,778.30, building on a gain of 0.7 percent in the previous session. News that Sino-US trade talks in Beijing had been extended into an unscheduled third day boosted risk appetite.
Energy stocks soared 1.9 percent to an over 5-week high, with sector heavyweight Woodside Petroleum Ltd putting on 2.3 percent while Oil Search Ltd added 2.7 percent. A jump in iron-ore and copper prices supported miners, with the metals and mining index tacking on 0.5 percent. Rio Tinto Ltd and Fortescue Metals Group rose 1.1 percent and 2.7 percent respectively.
Gold stocks caught a break after steep falls in the previous two sessions to edge higher. Beadell Resources Ltd was the top gainer on the sub-index after its December gold production surged 27 percent compared to November. Financial stocks also rose, with three of the "Big Four" lenders notching gains. Magellan Financial Group Ltd was the best performer, adding over 10 percent to end at a near 5-week high. New Zealand's benchmark S&P/NZX 50 index jumped 1.4 percent or 126.07 points to finish at 8,947.22, an over 8-week high.