NUGT is trading at $149.30, up 4.25%, as gold rebounds toward $4,180 on a softer dollar and easing Treasury yields. - Gold rebounded after reaching a two-month low. - Yields fell for a second session after a strong U.S. debt auction, reducing the opportunity cost of holding non-yielding bullion. - As a leveraged gold-miners ETF, NUGT amplifies gains in mining shares when the sector rises, amid lingering Fed tightening concerns and still-elevated yields.