CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed Merck & Co.'s (Merck) ratings, and revised the Rating Outlook to Negative from Stable. The ratings affirmed are:
CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed Merck & Co.'s (Merck) ratings, and revised the Rating Outlook to Negative from Stable. The ratings affirmed are:
