Early Tuesday gold prices hit a new nominal high of $1,917/oz only two weeks after rising above $1,800 for the first time. He believes that gold prices will likely soon threaten their inflation-adjusted high around $2,200 an ounce -- another warning bell of things getting a little too frothy, he said. "Gold could keep working its way higher, but it is starting to look a bit bubbly," Matt Zeman from Kingsview Financial in Chicago told CNN.