Elsewhere, South Korea's Kospi closed up 0.1 percent or 2.03 points at 1,991.89, as the Finance Minister Yoo Il-ho said that consumer sentiment is softening due to political uncertainties about the country's political leadership and financial market volatility, Reuters reported.
Samsung Electronics surged 1.37 percent to 1,773,000 Korean won after Tuesday's news that theU.S. Supreme Court ruled for Samsung in a dispute over damages related to Apple's iPhone design. The ruling saved Samsung $399 million, previously awarded to Apple in a lower court ruling for infringing on Apple's iPhone designs.
The Shanghai composite closed up 0.7 percent or 22.27 points at 3,221.92 as the Shenzhen composite was up 0.912 percent or 18.88 points at 2,090.32. In Hong Kong, the Hang Seng gained 0.44 percent by mid-afternoon.
On the economic data watch, the Reserve Bank of India later Wednesday will detail its latest rate stance and monetary policy views. India's benchmark rate of 6.25 percent may fall to 6.00 percent, according to a Reuters survey.
Stateside, the Dow Jones industrial average closed at a record high, up 0.18 percent at 19,251.78, as the S&P 500 closed up 0.34 percent at 2,212.23. The Nasdaq composite finished up 0.45 percent at 5,333.