Shares of BankAmerica Corp. and Wells Fargo & Co. fell sharply Wednesday amid mounting investor uneasiness about California's slack economy.

In afternoon trading, BankAmerica was off as much as $2 at $41.75, a drop of 4.6%, while Wells had fallen as much as $1.875, to $71.75, or 2.5%. Other banks fell, as did stocks in general, but by much smaller amounts.

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