Treasury Secretary Timothy Geithner called on European leaders to reach a solution to Greece's debt problems. Stocks drifted higher following a rally Thursday triggered by the announcement that five central banks would act together to support Europe's financial system.
The S&P 500 finished the week with a 5 percent gain. It was the best performance since the first week of July.
The Dow rose 76 points, or 0.7 percent, to close at 11,509 Friday. The S&P index gained 0.6 percent to 1,216. The Nasdaq added 0.6 percent to 2,622.
Rising and falling shares were about even on the New York Stock Exchange. Volume was above average at 4.6 billion shares.