Business News Forbes’ billionaire list out; Ambani among world’s 10 richest This year’s billionaires are worth a combined $13.1 trillion, up from $8 trillion last year. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Hyundai powers electric vehicle race with car that can cook dinner Exclusive: When Dubai top cop outsmarted a scamster
