Mumbai, Jan. 28 -- Asian stocks turned in a mixed performance on Wednesday ahead of the U.S. Federal Reserve's interest-rate decision and earnings from mega-cap tech earnings.

The dollar sank to levels last seen four years ago after U.S. President Donald Trump said he was not concerned about the weakening.

Gold broke through $5250 for the first time as U.S.-Iran tensions escalated and a partial U.S. government shutdown loomed over an immigration dispute.

Oil prices were steady in Aian trade following a dramatic 3 percent surge on Tuesday, the sharpest daily increase in months, after a winter storm disrupted U.S. crude output and exports.

China's Shanghai Composite index rose 0.27 percent to 4,151.24 as a firmer PBOC fixing lifted the ...