The dollar fell to a one-week low as investors turned cautious ahead of U.S. inflation data later. U.S. inflation is expected to accelerate to 2.9% year over year in December but core inflation is seen unchanged at 3.

Gold prices firmed on Wednesday as the U.S. dollar and Treasury yields retreated, while market participants awaited U.S. inflation data for clues on the Federal Reserve's interest rate strategy. Spot gold gained 0.

Gold prices pared gains on Wednesday after a U.S. consumer inflation report offered mixed signals about the future path of rate cuts this year, even as a drop in the U.S. dollar and Treasury yields limited bullion's losses.