U.S. bank shares plummet amid stability fears

The shares of major U.S. banks plunged on Monday amid fears about the sector's stability following Friday's seizure by regulators of IndyMac Bancorp Inc as withdrawals by panicked depositors led to the third- largest U.S. banking failure.

"It's the cockroach theory. You don't just have one bank failure -- when you have a big bank go under, there's always more than one," said James Ellman, president of hedge fund Seacliff Capital



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