Editor's Note: Matt Hougan is chief executive officer of ETF.com. The following story is part of an exclusive column in which Hougan finds investment trends for CNBC Pro subscribers.
Currency-hedged ETFs are all the rage, and the WisdomTree Europe Hedged Equity ETF (HEDJ) is the leader of the pack. The fund has attracted more than $14 billion in net new money this year, as investors seek to make a bet on European stocks without taking on exposure to the euro.
So what's so great about currency-hedged exposure?