Gold prices retreated on Wednesday as the dollar advanced after comments from U.S. Federal Reserve officials cast doubts over interest rate cuts this year. The dollar's jump, in part driven by Fed officials generally "leaning hawkish overall," has been weighing on the metals markets, said Jim Wyckoff, senior analyst at Kitco Metals. While a U.S. debt default could be bullish for gold, most of the marketplace does not seem to think that could happen, Wyckoff added