State Street Partners With Bridgewater for ‘All Weather’ ETF

What You Need To Know

• The fund has a so-called risk-parity strategy that invests in different assets based on their volatility.
• It is the latest example of a hedge fund extending into ETFs, which have burgeoned into a $14 trillion global market.
• But investor interest in such diversified strategies has waned in recent years as they have trailed the S&P 500 Index.