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.

The U.S. dollar was little changed on Wednesday as traders awaited a speech from Federal Reserve Chair Jerome Powell at the annual Jackson Hole central bankers' symposium later this week for clues on the path of monetary policy.

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.

The Investment Committee debates the impact of Fed Chairman Jerome Powell’s upcoming Jackson Hole speech on the tech trade and how to position ahead of it.

What matters in U.S. and global markets today By Mike Dolan, Editor-At-Large, Finance and Markets Subdued world markets eyed proposals for a Ukraine-Russia summit with caution, while updates on the shaky U.