With 10,000 private jets flying in the U.S., a few billionaires are signing up for something roomier - jumbo jets that can be outfitted as mobile mansions.
WSJ's Wealth Report highlights on one such client,...
It is official that China has become the country with the second largest population of billionaires in the world, just behind the US.
Revealed by the World Entrepreneur magazine, a list of 2007's top 500...
