With a personal fortune of more than $80 billion, Washington state's Bill Gates is not only the richest person in America but also in the entire world. And at $41.4B New York's David Koch may be the nation's most divisive billionaire. But those are …

Chicago billionaires Ken & Anne Griffin are getting a divorce, but it doesn't have to get ugly! Chicago billionaires Ken & Anne Griffin are getting a divorce, but it doesn't have to get ugly! You would have to be living under a rock to not have noticed …

That index “is designed to track and measure the performance those who have, over time, reaped the biggest rewards on Wall Street: financial billionaires. The index monitors the portfolios of leading billionaire investors, such as Warren Buffett, Carl …

People tend to listen when billionaires talk. In regards to volume, nothing speaks louder than actions, especially when those actions involve large sums of money. Retail investors wishing to follow investment decisions of Wall Street's most elite now …

The billionaire, who started Point72 Asset Management LP to oversee his own wealth, has gained about 9 percent this year, according to two people with knowledge of the matter. Hedge funds on average have returned 2.5 percent this year through June, …

Karl Albrecht, the German businessman who became one the world's wealthiest people after co-founding the Aldi discount supermarket chain in the 1960s, has died. He was 94. He died on July 16, Sarah Twyman, an Aldi spokeswoman at Weber Shandwick, …

The index uses the billionaires lists produced by both Bloomberg and Forbes to identify 20 or so U.S.-based billionaire investors. (So no Bill Gates or Walton family members.) It then picks the top 10 billionaires by performance. It judges performance …

What do a hedge-fund billionaire, an online sex-toy mogul and the nation's most beloved expert on backpacking in Europe know about Oregon that voters here do not? That it should be legal for the state's adults to smoke marijuana, and that they are …

So who are these billionaires who are influencing national politics? It's hard to tell says Vogel. “As the money has migrated to these outside groups, disclosure requirements have become less and less…a lot of this money is spent in secret," Vogel …