Gold sored to the highest in two weeks, advancing with other commodities after the greenback debased, as U.S. policymakers launched legislation preventing increase of income-tax for majority of workers, easing anxiety that a recovery of the U.S. economy might be stopped. Spot gold climbed to $1,684.75 an ounce, the most since December 18, as well as silver, platinum and palladium gained at least 0.3%.