... in off-exchange derivatives, regulators said. Amaranth lost $6.6 billion betting on the price of natural gas. The Greenwich, Connecticut-based hedge fund that once controlled half of the gas market collapsed in 2006. In August 2009, the company ...
http://washpost.bloomberg.com/Story?docId=1376-MJPJAY6K511L01-01NFMF2N3PH1MCKK058OKT4CR4