I think the U.S. dollar is the probably the biggest story in global markets right now, says Matt Weller. The U.S. dollar index (/DX) is testing its 20-year high, while the Japanese yen (/6J) is at 20-year lows, he explains. He discusses the Swiss franc and British pound and explains how the Euro is at a 5-year low. GDP numbers are set to be released this morning. Matt says the consensus expectation is for 1.1% annualized GDP growth in the U.S., and he thinks there could be downside risks to that number. Tune in to find out more.