2008 Société Générale trading loss the bank's total market capitalization. Bank officials claim that Kerviel tried to conceal the activity by creating losing trades intentionally so as to offset his early gains. According to the BBC, Kerviel generated €1.4 billion in hidden profits by the end of 2007. His employers say they uncovered unauthorized trading traced to Kerviel on January 19, 2008. The bank then closed out these positions over three days of trading beginning January 21, 2008, a period in which the market was experiencing a large drop in equity indices, and losses attributed are estimated at €4.9 billion. The bank claimed Kerviel "had
Emissions trading are highest. In March 2008, EPA again strengthened the 8-hour ozone standard to 0.075 parts per million (ppm) from its previous 0.08 ppm. Ozone season NOx emissions decreased by 43 percent between 2003 and 2008, even while energy demand remained essentially flat during the same period. CAIR will result in $85 billion to $100 billion in health benefits and nearly $2 billion in visibility benefits per year by 2015 and will substantially reduce premature mortality in the eastern United States. NOx reductions due to the NOx Budget Trading Program have led to improvements in ozone and PM2.5, saving an estimated