Many banks are still processing at least some checking account transactions from largest to smallest, possibly triggering more in overdraft fees for customers, a new survey found.

The banks continuing this practice for at least one transaction type include Bank of America (BAC), Capital One Financial (COF), Fifth Third Bancorp (FITB), HSBC Holdings (HSBC), JPMorgan Chase (JPM), PNC Financial Services (PNC), RBS Citizens, Regions Financial (RF), SunTrust Banks (STI), and Wells Fargo (WFC), the Consumer Federation of America said Thursday.

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