As a battery of earnings reports rolled in Tuesday, rising fee income and share buyback programs helped the largest U.S. banks notch solid gains in third-quarter profits.

Credit card delinquencies and payments to shore up the Savings Association Insurance Fund did take a toll, in the form of higher provisions and one-time charges to earnings. But banking analysts said the "Super Tuesday" showing by eight of the top 25 banks were largely in line with their expectations.

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