Fear of the Unknown Accounting fears get the markets off to a negative start. Listen to hourly updates and in-depth reporting now. news_traders.jpg l http://start.real.com/rd?url=http://smilparse.real.com/showcase/1pubs/channels/wsj/wsj.smi&adcode=none wallstreetjournal.gif http://start.real.com/rd?url=http://smilparse.real.com/showcase/1pubs/channels/wsj/wsj.smi&adcode=none PLAY headline