In this May 7, 2007 file photo, the world headquarters of Alcoa Inc. is seen along the north shore of the Allegheny River in Pittsburgh. Alcoa on Tuesday, Jan. 6, 2009 announced it plans to cut 13,500 employees, or 13 percent of its global workforce, and reduce spending and output, to help keep it competitive during the economic downturn. (AP Photo/Gene J. Puskar, file)

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