Jeff Bezos dethrones Elon Musk to assume top spot on billionaire list as Tesla Inc shares slide by 2.4%
The third spot on the billionaire list has been taken up by Bill Gates, while Bernard Arnault and Mark Zuckerberg take up the fourth and fifth spot respectively
The United States is home to 515 billionaires with a combined net worth of more than $2 trillion - and many favor New York over other American cities, according to the Wealth-X and UBS Billionaire Census 2013.<br /><br />
Coming in at No. 7, Soros had a fortune of $22 billion after adding $7.8 billion to his net worth thanks to investments in gold and related securities as well as equities. Soros switched to cash in the spring, allowing him to preserve his gains and miss market turmoil caused by the sovereign debt crisis in Europe.