12/29/2014 11:29 pm ET Updated Dec 29, 2014

World's 400 Wealthiest Add $92 Billion In 2014 As Alibaba Surges

The richest people on Earth got richer in 2014, adding $92 billion to their collective fortune in the face of falling energy prices and geopolitical turmoil incited by Russian President Vladimir Putin.

The net worth of the world’s 400 wealthiest billionaires on Dec. 29 stood at $4.1 trillion, according to the Bloomberg Billionaires Index, a daily ranking of the world’s richest.

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