Hopefully his new bride didn’t marry him for the money. Mark Zuckerberg was knocked off the Bloomberg Billionaires Index, which ranks the top 40 billionaires in the world. When Facebook went public on May 18 and its share price fell nearly 10 percent in 10 days, the social network’s founder’s value dropped on paper from $16.2 billion to $14.7 billion. Zuckerberg’s wealth is now $800 million below the last person on the list, Colombian banker Luis Carlos Sarmiento. Zuckerberg, who has been away on his honeymoon after his surprise wedding to longtime girlfriend Priscilla Chan, has not commented publicly about the stock’s debut.