Mochtar Riady established the familyfortuneafterthe secondworldwar, firstas abicycletrader, then by buying a bank, then by founding the LippoGroup, a conglomerate.
Brian Hunter, the 32-year-old Canadian energy trader, had made a fortune for Amaranth in 2005 when he bet that natural-gas futures would rise and then benefited from surging gas prices after Hurricane Katrina.