Back in business: IndyMac reopens Monday after being taken over by feds- CNN.com : "Customers who found locked doors and armed guards Friday afternoon could use ATM cards over the weekend to get to their money, but an estimated 5 percent of the $19 billion deposited in the bank was not insured by the Federal Deposit Insurance Corporation (FDIC) Indymac's failure, which the FDIC chairman said could add up to be the most expensive U.S bank failure ever, came as the FDIC's list of 'problem institutions is on the rise The FDIC disclosed last month that it was closely watching 90 financial institutions on its 'problem list,