Asian shares were mixed Wednesday ahead of a decision on interest rates by the U.S. Federal Reserve. U.S. futures edged higher while oil prices declined. Japan reported that it logged a trade surplus in February,

Stocks in Asia were set to follow declines on Wall Street, after heavy selling resumed in the largest technology companies in a sign investors are paring exposure in US risk assets. Gold climbed to a fresh record.

Asian shares mostly rose Tuesday as investors were encouraged by another rally on Wall Street. Japan's benchmark Nikkei 225 gained 1.3% to 37,903.43. The Bank of Japan was expected to keep its benchmark interest rate unchanged at a monetary policy board meeting due to wrap up Wednesday.