GDXU is trading at $92.12, up 6.21%, as gold rebounded in Asian trading, supported by a softer dollar and retreating Treasury yields. - Hot U.S. CPI pressured bullion in the previous session; December gold futures rose 1.8% to $4,180.00 per ounce. - GDXU provides 3x daily leveraged exposure to gold miners, which can magnify gains from a bullion rebound. - The move looks like a sector-led reversal, though the inflation surprise and rate outlook remain risks.