Gold prices were flat on Monday in holiday-thinned trading, after falling last week on rising bond yields, while investors awaited remarks from U.S. Federal Reserve officials in a data-packed week.FUNDAMENTALS* Spot gold was little changed at $2,022.17 per ounce, trading in a tight range of $4, as of 0224 GMT.* U.S. gold futures were steady at $2,036.20 per ounce.