NEW YORK - The S&P 500 ended a seventh straight week of gains on Friday with a banks-led rally after encouraging results from JPMorgan Chase & Co .

The Dow Jones industrial average <.DJI> was up 55.48 points, or 0.47 percent, at 11,787.38. The Standard & Poor's 500 Index <.SPX> was up 9.48 points, or 0.74 percent, at 1,293.24. The Nasdaq Composite Index <.IXIC> was up 20.01 points, or 0.73 percent, at 2,755.30.

(Editing by Kenneth Barry)