Oil bull Hall's fund up 20 pct at half-year, outpacing rivals
July 31, 2014 at 15:14 PM EDT
NEW YORK, July 31 (Reuters) - Famed oil trader Andy Hall's more than $3 billion hedge fund was up nearly 20 percent at the half-year mark, sharply outpacing its rivals in one of the best performances of its seven-year history, data obtained by Reuters showed on Thursday.