COVER STORY - Risk gets riskier - Nobel laureate Bill Sharpe is worried about what's being done with his famous ratio. You should be, too.
HEDGE FUNDS - Alpha bets - Index investing has rolled over active managers in the mutual fund world. Hedge funds may prove a more elusive prey.
FEATURES - MONEY MANAGEMENT - Boy wonder - Ken Griffin has built one of the most successful hedge funds while amassing a great fortune. And he's just 32.