Troubled banks rise to highest level in 18 years

``The number of banks at risk of failing made up nearly 12 percent of all federally insured banks in the final three months of 2010, the highest level in 18 years. The Federal Deposit Insurance Corp said Wednesday that the number of banks on its confidential "problem" list rose to 884 in the October-December quarter, up from 860 in the previous quarter. Those are banks rated by examiners as having very low capital cushions against risk.''