get new york nov 12 reuters online energy trading leader enrononline merge smaller rival dynegydirect parent company enron corp nyse ene news agreed last week 9 billion takeover dynegy inc nyse dyn news dynegy said monday integration two platforms take six nine months dynegy said meantime two continue operate separately looking take best platforms integrated company said dynegy spokesman john sousa emerging platform continue based one many philosophy stands enrononline dynegydirect traders deal enron dynegy respectively enrononline biggest online energy trading platform united states daily average 2 6 billion trades past month dynegydirect much smaller though growing platform recorded nearly 10 billion transactions third quarter two platforms offer trading hundreds products services crude oil refined products natural gas electricity trading done u markets european markets available well enron currently north america biggest buyer seller natural gas electricity agreed dynegy buyout overwhelmed series problems including u regulatory probe balance sheet dealings 1 2 billion cut shareholder equity damaging credit rating downgrades however dynegy drop offer bad news emerges pending lawsuits enron lead 3 5 billion costs dynegy also expressed confidence takeover win u regulatory approval said expect antitrust concerns impede merger two electronic platforms dynegy shares gained 5 55 14 3 percent 44 31 new york stock exchange shares enron rose 61 cents 7 percent 9 24 takeover halted free fall enron stock lost 75 percent market capitalization past month