10 biggest billionaire gainers added $204 billion this year
The 10 biggest billionaire gainers this year added a total of $204 billion to their fortunes, compared to $74.7 billion in 2016, according to Forbes. Further, only three Americans featured among the 10 biggest gainers. Notably, the surge in Reliance Industries' stock price elevated Mukesh Ambani to top 20 of the world's richest for the first time in five years.