Wall Street rally stamps exclamation point on volatile week

A 4.3-percent jump in the S&P energy sector laid the foundation for the S&P 500's strongest session so far this year. After dropping earlier this week to 2014 lows, the S&P 500 has recovered in the past two sessions to end the week 1.4-percent higher. The Dow Jones industrial average rallied 1.33 percent to finish the session at 16,093.51 points while the S&P 500 surged 2.03 percent to 1,906.9.

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Wall Street rally stamps exclamation point on volatile week