Assets swelled by $120 billion in third quarter

Investors added $19 bln; the rest came from performance

Hedge fund industry now manages $1.77 trillion

The loosely regulated industry grew to $1.77 trillion during the third quarter as assets swelled by $120 billion, the largest quarterly jump in more than three years, according to data released Tuesday by Hedge Fund Research.

While investors added $19 billion in new money to global hedge funds -- the largest sum since the fourth quarter of 2007 -- most of the gains were fueled by strong returns, the data show.

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