Gold prices extended gains on Wednesday, as the dollar dipped after U.S. core inflation data came in softer than expected, abating inflation pressures and rekindling expectations that the Federal Reserve's easing cycle may not be over yet.

Front-month gold futures surged to their largest gain in nearly a month, after U.S. core inflation data came in softer than expected, easing inflation pressures and renewing hopes that the Federal Reserve may implement multiple rate cuts this year after all.

Annual inflation ticked up for a third straight month in December as food, energy costs rose, CPI report showed. But underlying price measure eased.