In March, as his country teetered on the brink of insolvency, Greek Prime Minister George Papandreou blamed "unprincipled speculators" for exacerbating the crisis. Currency traders around the world were roiling markets, he said, and threatened to trigger a new global financial meltdown. He was talking about people like Andrew Law, chief investment officer of the $9 billion Caxton Associates, one of the best-performing hedge fund firms in the world.
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