Japan (BBN)-Leading Japanese shares were up on Wednesday, building on their seven-year high hit on Tuesday.
The Nikkei 225 was up 1.3% at 17,343.37 on news that Prime Minister Shinzo Abe might call a snap election and postpone the planned 10% increase in sales tax, reports BBC.
The yen strengthened from the low hit in New York trade to stand at 115.80 yen to the dollar.
A weak yen benefits Japanese exporters, making them more competitive abroad and boosting repatriated profits.
Hong Kong shares opened flat after rising in the previous two sessions.
The benchmark Hang Seng Index was at 23,811.98, while the Shanghai Composite was down 0.7% at 2,451.50
In Australia, the benchmark S&P/ASX 200 index was down 0.7% at 5,476.40 despite a survey showing that consumer sentiment rose for a second month in November.
The Melbourne Institute and Westpac Bank index of consumer sentiment rose a seasonally adjusted 1.9% in November from October when it was higher by 0.9%.
South Korean shares were up 0.4% with the Kospi at 1,971.01 after data showed that the October unemployment rate was steady at 3.5%, the same as the previous month.
BBN/SS-12Nov14-2:00pm (BST)