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摘要

Volatile currency markets bring broad grins to the faces of foreign-exchange traders, especially when the dollar is involved. The greenback features in nearly 90% of the $1.9 trillion-worth of foreign-exchange trades that take place daily (see chart on the next page). With the dollar testing one new low after another against the euro (this week it breached $1.34), shorting it has been one of the most lucrative bets around.