Optimists rule after seesaw day on Wall Street

Trader Joseph Lawler works on the floor of the New York Stock Exchange Friday, July 5, 2013.  Robust hiring in the U.S. is boosting the stock market in early trading. (AP Photo/Bethan McKernan)
Trader Joseph Lawler works on the floor of the New York Stock Exchange Friday, July 5, 2013. Robust hiring in the U.S. is boosting the stock market in early trading. (AP Photo/Bethan McKernan)
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