It was a dreadful year for the world's wealthiest as markets and currencies around the world tumbled.
More than 300 of the 1,125 billionaires we tallied on our annual list last March have since lost at least $1 billion; several dozen lost more than $5 billion. The 10 richest from our 2008 rankings dropped some $150 billion of wealth, dragged down by steel tycoon Lakshmi Mittal, estranged brothers Mukesh and Anil Ambani and property baron K.P. Singh, who together dropped $100 billion. America's...Full Story