Marriage equality supporters found a new ally in an unlikely place earlier this week.The American billionaire and political activist David Koch, who, with his brother Charles, has funneled millions of dollars into conservative organizations bent on electi

The world's richest man is finally opening up about his complicated love life.Warren Buffett, whose shrewd investing has swelled his Berkshire Hathaway assets to nearly $278 billion, reveals in a new biography that "the biggest mistake I ever made" was le

By masterminding Tuesday's $5 billion investment in Goldman Sachs, Warren Buffett showed he still has the touch that has won him plaudits as the world's greatest investor. But a new biography, which will hit bookstores Sept. 29, reveals that in his person

Wal-Mart widow Christy Walton's net worth reached new highs as Wal-Mart stock jumped in 2012. She remains the richest woman in the United States. Christy inherited her wealth when husband John Walton, a former Green Beret and Vietnam war medic, died in an