What began as a bursting of the . housing market bubble and a rise in foreclosures has ballooned into a global financial and economic crisis. Some of the largest and most venerable banks, investment houses, and insurance companies have either declared bankruptcy or have had to be rescued financially. In October 2008, credit flows froze, lender confidence dropped, and one after another the economies of countries around the world dipped toward recession. The crisis exposed fundamental weaknesses in financial systems worldwide, and despite coordinated easing of monetary policy by governments, trillions of dollars in intervention by central banks and governments,.