It's the story that motivates hardworking people to ditch their career and chase the entrepreneurship dream: the tech startup that turns its founder into a very, very rich person. On Forbes' latest list of the richest people in the world, 167 of the …

The widow of recently deceased Texas billionaire Harold Simmons wants his will sealed by a Dallas court. Attorneys for Annette Simmons are expected to argue Wednesday before a Dallas County probate judge to have the will's contents blocked from public …

If you'd followed the investments of top billionaires in the last quarter, your gains would have been 250% of the S&P 500′s. That is what Raul Moreno, CEO of iBillionaire, /quotes/zigman/24274531/realtime XX:BILLION says of the billionaire equity …

Charles and David Koch of Kansas emerged out as the wealthiest individuals in America's oil and gas sector, with a combined net worth of $83 billion, according to a 'Wealth-X Top 10' list that includes billionaires from Texas, New York and Oklahoma.

Teoh, who moved to Australia from Malaysia in 1986, jumps 12 places to billionaire status after his fortune soared 65%, the biggest percentage gain of anyone on the list. And the bitter? Also in December, TPG lost a three-year battle with Australia's …

The wealthiest people on the planet got even richer last year, adding $524 billion to their collective net worth, according to the Bloomberg Billionaires Index, a daily ranking of the world's 300 wealthiest individuals. The aggregate net worth of the …

The 44-year-old is one of the youngest female billionaires in the world, according to the Bloomberg Billionaires Index. "She was brought in to figure out how to make money," David Kirkpatrick, author of "The Facebook Effect," a history of the company …

Weak prices for gold, copper and other metals have whacked the 2013 profits and stock price of one of China's largest mining companies. Shares in Hong Kong-listed Zijin Mining Group fell by 2.8% yesterday after the company said net profit for the year …

Sergey Galitskiy, the owner of grocery chain OAO Magnit, fumed over his stock's 19 percent plunge this month, saying on a Jan. 27 conference call that “the market is so crazy that I have to apologize for the best results in history” in 2013. A day …