Kospi pares losses
South Korea's benchmark index closed six points shy of a new six-week high at the 1,915 mark thanks to strong growth data. The central bank reported that the economy grew 2.3 percent – a two-year high – in the second-quarter from the year before, topping forecasts.
"Domestic consumption has turned around, suggesting that the concerted efforts by both the government stimulus package and the central bank's rate cut in May have started to contribute. We believe the economy has bottomed out," wrote analysts from Australia and New Zealand Bank in a note.
Memory-chip maker SK Hynix jumped 2 percent before paring gains after reporting a record quarterly profit of $988.5 million.LG Electronics fell 2.4 percent, extending losses from the previous day after recording a slide in quarterly profit margins.
Hyundai Motor added half a percent after its second-quarter profit stayed near a record high, topping forecasts.
A rout in gold miners knocked Australia's benchmark index off its previous two-month high of 5,053 points as the yellow metal extended losses from Wednesday's 2 percent fall.
The world's third biggest gold producer, Newcrest Mining, fell 1.2 percent after stating that it forecasts a flat year of gold output as it cuts operating costs. Meanwhile, Oz Minerals lost 7.3 percent after saying it would cut gold output and instead, lean more towards copper ore productions.
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Shares of engineering firm Ausenco slumped 31 percent after issuing a profit warning for its full-year performance.
The nation's top investment bank, Macquarie Group tanked 2.3 percent after indicating that its tax rate would remain near last year's high level. The news overshadowed its positive 2014 profit guidance.
— By CNBC.com's Nyshka Chandran. Follow her on Twitter