uring 2004-2005, the firm shifted its emphasis to energy trading by Canadian trader Brian Hunter who invested in the natural gas market. Hunter had made enormous profits by being bullish on natural gas prices in 2005 after Hurricane Katrina curtailed production. Hunter invested heavily in natural gas futures which resulted in a loss of $6.5 billion when prices failed to move as expected.[2] This led to considerable debate and increased media attention about risk management practices to prevent catastrophic losses.