GDXU is trading at $129.19, up 3.21%, in pre-market, rebounding after a sharp 4.50% decline on September 24 in a primarily technical, sector-driven move rather than a news-specific one. - Gold was relatively stable overnight after falling to $4,272.50 on September 24, as traders assess whether extreme Treasury-yield pressure has eased. - Upcoming durable-goods and University of Michigan data could still influence yields and gold after the open.