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This bull market could keep running all summer: NYSE trader

Stocks are soaring higher today, fueled by out-of-the-park earnings from Caterpillar and McDonald's. Plus another milestone is reached, with the Nasdaq Composite breaching the 6000 mark. Yahoo Finance's Alexis Christoforous is joined by Alan Valdes, director of floor operations at Silverbear, at the New York Stock Exchange to discuss.