U.S. stock index futures indicated a lower open on Wednesday, as investors digested the ADP private sector payroll report, and awaited a key manufacturing survey that will likely show that the harsh winter weather has continued to hit growth.
Futures were little changed after the ADP employment report for March showed an increase of 189,000 in monthly private payrolls, below expectations of a modest rise to around 225,000.
The U.S. 10-year Treasury yield continued to edge lower to 1.89 percent. The U.S. dollar traded slightly lower as the euro gained mildly to just below $1.08.
The report will be followed by the latest manufacturing ISM for the same month, at 10 a.m. Construction spending data for February are also due at 10.00 a.m.
Wednesday's employment data is a preview for the labor market report on Friday, the data highlight of the week, with expectations for another increase in nonfarm payrolls, of around 250,000 in March. The unemployment rate is seen unchanged, at a more-than-six and a half-year low of 5.5 percent.
In an encouraging sign that the housing market is picking up with the onset of spring, weekly mortgage application volume increased 4.6 percent on a seasonally adjusted basis, the Mortgage Bankers Association (MBA) said.