NEW YORK, June 25 (Reuters) - U.S. stocks jumped on Thursday as investors were relieved that Federal Reserve Chairman Ben Bernanke weathered a congressional hearing well.
*The Fed chief was grilled for hours by U.S. lawmakers about his role in the Bank of America-Merrill Lynch merger.
The Dow Jones industrial average rose 172.54 points, or 2.08 percent, to close unofficially at 8,472.40, snapping a four-day losing streak. The Standard & Poor's 500 Index jumped 19.33 points, or 2.15 percent, to end unofficially at 920.26. The Nasdaq Composite Index gained 37.20 points, or 2.08 percent, to close unofficially at 1,829.54. (Reporting by Rodrigo Campos; Editing by Jan Paschal)