We'll get our second comprehensive look at how the US economy performed in the first quarter at 8:30 a.m. ET.
The second estimte of Gross Domestic Product (GDP) is expected at 0.9%, according to Bloomberg. The advance estimate was 0.5%, the weakest pace in two years.
Personal consumption is expected to be revised higher to 2.1% from 0.7%.
The Commerce Department will release the revised numbers armed with more comprehensive data.
The big focus today is on Federal Reserve chair Janet Yellen, who will speak at 1:30 p.m. ET. Some members of the policy-setting committee have attributed the slow pace of growth in the first quarter to temporary factors, as they look ahead to their June meeting when they will seriously debate raising interest rates for the first time this year.