The Dollar traded with an involved trend against the majors as concern an investigation of Goldman Sachs Group Inc. will widen and Greeceā€™s aid package may falter boosted demand for the U.S. currency as a refuge. NASDAQ decreased by 0.05% and Dow Jones rose by 0.67%, crude oil fell by 2.2% closing at 81.45$ a barrel, Gold(XAU) decreased by 0.1% closing at 1135.8$ an ounce. Today, Fed Chairman Bernanke Testifies.