Wall Street add gains after Fed remarks
* The Dow Jones industrial average rose 202.31 points, or 2.47 percent, to 8,377.04. The Standard & Poor's 500 Index climbed 29.94 points, or 3.54 percent, to 875.65. The Nasdaq Composite Index added 59.11 points, or 3.93 percent, to 1,564.01.
(Reporting by Ellis Mnyandu; Editing by James Dalgleish)