National Retail Federation exploring intervention, not a party to the original legal fight.
Merchants Payments Coalition report says interchange rates not to blame for bank fee boosts.
Interchange settlement now opposed by Retail Industry Leaders Association, which includes Walmrt, Apple, Pepboys and Abercrombie & Fitch, among others.
National Grocers Association comes out against the proposed anti-trust settlement between retailers and the major card brands and some major card issuers.
Walmart says it's disappointed in settlement and some retail associations are advising members to not agree to proposal.
Reaction to settlement of longstanding credit card anti-trust suit.
Retail associations are celebrating what they are calling a year since their legislative victory in the battle over the Durbin amendment by asserting that none of amendment opponents' dire predictions have come true.
Merchant Payments Coalition says credit unions, community banks have benefited.
Illinois senator files brief in case seeking to force Fed to cut interchange costs further.
Fed says most credit unions didn’t experience a drop in interchange income immediately after the Durbin Amendment went into effect last fall.