The U.S. dollar hovered below a one-week high on Thursday and Asian stock markets were broadly mixed as investors braced for three days of potentially market-moving news from the Federal Reserve's annual symposium in Jackson Hole.

Federal Reserve chair is under bombardment from Donald Trump and battling an insurgency within the central bank

The stock market is heading into a catalyst-filled week as Fed Chair Jerome Powell gets ready to speak at Jackson Hole and big retailers report earnings.

By Ishaan Arora (Reuters) -Gold ticked up on Wednesday but hovered near three-week lows, as investors looked towards the Federal Reserve's July meeting minutes and the Jackson Hole, Wyoming symposium of central bankers this week for cues on further rate cuts.

The Nasdaq fell as megacaps lost, after having rallied for much of the year. Nvidia fell 3.5%, the biggest drop in nearly four months.