The planet’s 2,640 billionaires are worth $12.2 trillion. Here’s who’s up, who’s down and who’s off the list. The party is over for many of the world’s richest people. For the second straight year, ...

There’s a new member of the $300 billion club and a second sibling from America’s richest family among the planet’s ten wealthiest people. pril was a great month to be a billionaire, as the S&P 500 ...