BOGOTA, Colombia–(BUSINESS WIRE)–Fitch Ratings has recalibrated its Dominican Republic National Ratings scale following upgrades of the sovereign rating. The recalibration has resulted in several national scale rating revisions for issuers in corporate sector. Revision ratings are used to modify ratings for reasons that are not related to credit quality in order to reflect changes in the national rating scale. National scale ratings are a risk ranking of issuers in a particular market designe