By | January 29 2010 6:18 AM

The green currency slightly changed on Friday before the release of GDP for the fourth quarter advanced reading in the U.S., Chicago PMI and confidence report. The U.S. economy is predicted to show expansion to 4.6% from 2.2%. The dollar is continuing its gains this week, where it is advancing for the fourth consecutive day. The dollar index, a gauge of the dollar's movements versus a basket of six major currencies, inclined to 78.8 from the day's opening at 78.91.