The indexes posted weekly gains with the Dow and the S&P rising 1.3 percent and 1.4 percent, respectively, for the week, and the Nasdaq up 2.1 percent.
Crude prices gained more than 1 percent Friday after plummeting 5 percent the previous day.
American benchmark West Texas Intermediate was up 1.8 percent to $49.77 at the final bell. International benchmark Brent crude was up 1.3 percent to $52.13.
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