U.S. Dollar Index Trading Higher, Services PMI Edges Down

The March U.S. Dollar Index is trading at 101.45, up 0.50. Markit's February services PMI (purchasing managers survey) edged down to 53.9 from 55.6 in January. The February composite PMI eased to 54.3 from 55.8 in January. The National Association of Realtors is scheduled to release existing home sales data Wednesday at 10:00 a.m. ET.