His net worth is based chiefly on the value of his office and commercial property holdings, minus debts that were already known
Shenzhen Mindray Bio-Medical Electronics shares have climbed 41 per cent, fueled by a surge in demand for the life-saving devices
Perot was a natural salesman who made a fortune in computer services but he was an unlikely and unconventional politician
The chopper was on its way to Fort Lauderdale from the Bahamas when the mishap occurred
The Koch brothers, David and Charles, are each worth either $43 bn or $55 bn