U.S. Dollar Index Little Lower

The December U.S. Dollar Index is trading at 101.08, down 0.20. The U.S. Dollar Index is trading choppy. Market talk about global headline news and comments from policy makers is making the rounds. Chatter about U.S. economic data due out Tuesday is starting to show up. The National Association of Realtors (NAR) is scheduled to release existing home sales Tuesday at 10:00 a.m. ET.