Microsoft share price has risen 48% this year, boosting the value of Gates' 1% stake in the IT firm. :
Microsoft Corp co-founder Bill Gates has regained his status as the world's richest person for the first time in two years surpassing Amazon CEO Jeff Bezos, according to the Bloomberg Billionaires Index. Gates' rise to the top spot may have come after Pentagon awarded on October 25 a $10 billion cloud-computing contract to Microsoft over Amazon. Since then, Microsoft shares have climbed 4%, resulting in a $110 billion fortune to Gates, according to the Bloomberg Billionaires Index.