FRANKFURT -- Germany's largest bank, Deutsche Bank AG, has signaled a drive to cast off its negative image as an aloof powerhouse by softening its approach to customers.

During a speech in Frankfurt Monday night, chief executive Hilmar Kopper admitted that the bank had often been arrogant in dealings with customers.

"We could raise our domestic business volume by 25% if all staff could get used to greeting every customer pleasantly," he told the Frankfurt Marketing Club.

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