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Movers roundup: Facebook, Best Buy

The Associated Press

Among the stock activity stories for Monday, Dec. 31, from AP Business News:

— Shares of Facebook Inc. rose after an analyst said advertising spending was picking up on the Internet social network and raised his rating on its stock.

— Shares of Best Buy Co. rose on light volume as the struggling electronics retailer closed out a rocky year.

— Shares of Duff & Phelps Corp. rose on news that the company had agreed to be acquired.