FILE - This April 21, 2010 file photo, shows the logo of Amgen Inc. offices, in Fremont, Calif. Amgen Inc. reports quarterly earnings Thursday, Jan. 26, 2012, after the market close.

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FILE - This April 21, 2010 file photo, shows the logo of Amgen Inc. offices, in Fremont, Calif. Amgen Inc. reports quarterly earnings Thursday, Jan. 26, 2012, after the market close. (AP Photo/Paul Sakuma, file) less