Bank stocks rebounded Wednesday after Tuesday's big selloff on worries that the government may not be doing enough to salvage the banking industry.

The KBW Bank Index rose 6.02%. The index had fallen 13.85% Tuesday, dragged down by investor concerns over the lack of details given by Treasury Secretary Timothy Geithner on how the federal government would use the second half of its Troubled Asset Relief Program funding to shore up banks with bad assets.

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