founder Bill Gates
has recaptured the title of world’s richest person with estimated fortune of $78.5 billion.
The 58-year-old tycoon’s fortune increased by $15.8 billion last year, according to the index, as shares of Microsoft, the world’s largest software maker, rose 40 per cent.
Gates regained top spot from Mexican investor Carlos Slim
, according to the Bloomberg
Billionaires Index, a daily ranking of the world’s 300 wealthiest individuals.