The war over Americans’ checking accounts raged on Wednesday as consumer advocates and industry groups waged battles over a bevy of bank fees.

In one development, the influential nonprofit Pew Charitable Trusts issued a report criticizing the size of banks’ overdraft fees.

Meanwhile, the debit card industry suggested the prospect of a new disaster: a massive cybersecurity data breach if regulators cap the fees merchants must pay each time a customer swipes a debit card..

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