Specialist Anthony Confusione, right, works at his post on the floor of the New York Stock Exchange Thursday, Feb. 14, 2013. Renewed worries about Europe overshadowed an encouraging

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Specialist Anthony Confusione, right, works at his post on the floor of the New York Stock Exchange Thursday, Feb. 14, 2013. Renewed worries about Europe overshadowed an encouraging U.S. jobs report, and stocks flipped between slight gains and losses on Thursday. (AP Photo/Richard Drew) less