Bezos, Zuckerberg top gainers among tech billionaires

Amazon CEO Jeff Bezos and Facebook CEO Mark Zuckerberg were the top gainers in Forbes' list of '100 Richest Tech Billionaires in the World in 2016'. After stocks of their companies hit record high, Bezos added $18.4 billion to his net worth, while Zuckerberg added $12.8 billion. Notably, the top 10 gainers added a combined $64.9 billion to their fortunes.