NY -- Standard&Poor's CreditWire 8/8/97-- Standard&Poor's today has affirmed its double-'A'-minus corporate credit and senior debt ratings, as well as its 'A-1'-plus commercial paper rating, of Archer Daniels Midland Co. Also, Golden Peanut Co.'s 'A-1'-plus commercial paper rating has been affirmed. Standard&Poor's has removed the ratings from CreditWatch, where they were placed with negative implications in July 1997. The outlook is stable. About $3 billion of debt is affected. Archer Daniels Midland Co.'s ratings affirmation reflects expectations that the firm's financial policies will remain commensurate with its current rating level, despite an aggressive investment program approximating $1.8 billion in fiscal 1997. Also, the rating reflects Archer Daniels' historical record of strong earnings and cash