The yield curve is steeper than it has been in more than six years, but few bankers are betting that the steepening will translate into higher earnings.

"The long end of the curve is high and quite steep, perhaps because the funding environment is still uncertain," said Gary Crittenden, the chief financial officer at Citigroup Inc., said in an interview last week. "People can see the next inning, but not the outcome of the entire game."

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