Wikipedia: Citigroup Inc., d/b/a Citi, is a major American financial services company based in New York, NY. Citigroup was formed from one of the world's largest mergers in history by combining the banking giant Citicorp and financial conglomerate Travelers Group on April 7, 1998. Citigroup Inc. has the world's largest financial services network, spanning 107 countries with approximately 12,000 offices worldwide. The company employs approximately 300,000 staff around the world, and holds over 200 million customer accounts in more than 100 countries. It is the world's largest bank by revenues as of 2008. It is a primary dealer in US Treasury securities and its stock has been a component of the Dow Jones Industrial Average since March 17, 1997. Citigroup suffered huge losses during the global financial crisis of 2008 and was rescued in November 2008 in a massive bailout by the U.S. government. Its largest shareholders include funds from the Middle East and Singapore. On February 27, 2009 Citigroup announced that the United States government would be taking a 36% equity stake in the company by converting $25 billion in emergency aid into common shares.