Investors have fled from the world's largest banks. Tumbling stock prices have dropped the likes of Citigroup and HSBC from lists of the world's most valuable companies, as measured by market value. The depreciated prices leave banks more vulnerable because it doesn't take as much money to buy a majority stake. That has forced a debate about whether governments trying to help banks should simply nationalize them.
SOURCE: Bloomberg, photo by Associated Press | Reporting By Binyamin Appelbaum - The Washington Post - January 28, 2009