CNNWhen a billionaire trader loses his edgeCNNJohn Arnold was once considered one of the world's top commodities traders. Now the 38-year old is leaving the business. By Leah McGrath Goodman FORTUNE — Traders, when not speaking on the record, will…
CNNWhen a billionaire trader loses his edgeCNNJohn Arnold was once considered one of the world's top commodities traders. Now the 38-year old is leaving the business. By Leah McGrath Goodman FORTUNE — Traders, when not speaking on the record, will…