![Alibaba founder Jack Ma biggest gainer, Leonid Mikhelson loser of 2014 Alibaba founder Jack Ma biggest gainer, Leonid Mikhelson loser of 2014](http://www.saharasamay.com/pics/article/2014_12_17_07_02_17_finance600F.jpg)
The biggest shareholder of natural gas producer Novatek lost USD 7 billion, or 41 per cent of his wealth, in 2014, due to the plummeting Russian currency, weak oil prices and economic sanctions imposed by the West over the Russia-Ukraine conflict.
The biggest shareholder of natural gas producer Novatek lost USD 7 billion, or 41 per cent of his wealth, in 2014, due to the plummeting Russian currency, weak oil prices and economic sanctions imposed by the West over the Russia-Ukraine conflict.