Traders work on the floor of the New York Stock Exchange, Thursday, Nov. 15, 2012. Stock indexes are inching higher in early trading Thursday after U.S. retail giants Wal-Mart and Target turned in mixed earnings reports.(AP Photo/Seth Wenig)

Associated Press
Traders work on the floor of the New York Stock Exchange, Thursday, Nov. 15, 2012.  Stock indexes are inching higher in early trading Thursday after U.S. retail giants Wal-Mart and Target turned in mixed earnings reports.(AP Photo/Seth Wenig)
Traders work on the floor of the New York Stock Exchange, Thursday, Nov. 15, 2012. Stock indexes are inching higher in early trading Thursday after U.S. retail giants Wal-Mart and Target turned in mixed earnings reports.(AP Photo/Seth Wenig)
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