Tech billionaire Bill Gates has dropped out of the world’s top 10 richest after a wealth recalculation slashed his net worth by US$51 billion in just days.

Bill Gates’ net worth – which was $175 billion as of July 3 – plummeted to $124 billion Thursday, according to the Bloomberg Billionaire index. AFP via Getty Images Among the billionaires ...

Bill Gates lost about $52 billion or 30% of his wealth on Thursday. But don't feel bad — his net worth was simply recalculated to reflect the Microsoft cofounder's charitable giving.

Billionaire Bill Gates was once crowned the richest man in the world for 18 years, but now as his quest to not die rich continues, his former assistant Steve Ballmer has topped his wealth.