As a group, these U.S. billionaires are richer than ever before. And the cutoff to make the list jumped more than it ever has. The richest person in America, for the fourth year in a row, is Jeff ...
Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed ...