FILE - In this undated file photo released by Pacific Investment Management Co., Bill Gross, co-chief investment officer at Pacific Investment Management Co., is shown. Gross, who manages the world's ... more 
FILE - In this undated file photo released by Pacific Investment Management Co., Bill Gross, co-chief investment officer at Pacific Investment Management Co., is shown. Gross, who manages the world's largest mutual fund at Pimco, delivers the opening keynote address at the Morningstar investment conference in Chicago Wednesday, June 8, 2011.  (AP Photo/ Pacific Investment Management Co., file) less 
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Associated Press | Photo By Pacific Investment Management Co., file
Wed, Jun 8, 2011 3:24 PM EDT