CHICAGO–(BUSINESS WIRE)–Fitch Ratings has assigned a Derivative Counterparty Rating (DCR) of ‘AA(dcr)’ to Wells Fargo Bank, N.A. (WFBNA) and an ‘AA-(dcr)’ to Wells Fargo & Company (WFC) as part of its roll out of DCRs to significant derivative counterparties in Western Europe and the U.S. DCRs are issuer ratings and express Fitch’s view of banks’ relative vulnerability to default under derivative contracts with third-party, non-government counterparties. KEY RATING DRIVERS – DCRs DCRs hav