U.S. Stocks Gain Steam on Yellen Remarks; Gap Shares Sink

U.S. stocks rallied on Friday thanks to a surge in oil prices. The closely watched commodity gained steam thanks to comments from Federal Reserve Chair Janet Yellen on Thursday, downplaying the chances of a U.S. recession. Meanwhile, shares of Gap (GPS) - Get Report slumped as the retailer reported a 6 percent drop in same store sales during March to $1.43 billion. Plus, investors are gearing up for the unofficial start of earnings season. Alcoa (AA) - Get Report reports quarterly results on Monday after the closing bell. Analysts expect earnings of $0.03 a share on sales of $5.13 billion. TheStreet's Scott Gamm reports from Wall Street.