GDXU, a 3x leveraged gold miners ETN, saw a significant price jump, opening at $55.92.

The MicroSectors Gold Miners 3x Leveraged ETN (GDXU) saw a significant price increase, opening at $55.92 after closing at $54.01. This leveraged ETF tracks gold miners and can be volatile. Investors considering buying should evaluate their risk tolerance and the gold mining industry's outlook, as well as be aware of the risks associated with leveraged ETFs, including high volatility and potential for large losses.