agco corp declared a 450 special dividend payable june 21 to stockholders of record may 20 and increased its quarterly payout to 24 cents from 20 cents shares were recently down 2 to 12425 the agricultural equipment company said a year ago that its new capital return framework would enhance its ability to return cash to shareholders across a variety of market conditions at the time agco boosted its quarterly dividend to 20 cents from 16 cents meanwhile the first of its variable special dividends paid last june was 4 a share