The Ray Dalio portfolio contains over 950 holdings, including S&P 500 ETFs, emerging market funds, blue chip stocks, commodities, and substantial gold. But the specific assets aren't the only insight.

Americans are worried about the economy. You might be worried too — but you don't have to worry about your own micro-economy.

Toss in the steady stream of layoffs this past year, and you've got a good argument that the U.S. economy is wobbly.That fact ...

The fund, managed by State Street Global Advisors and sub-advised by Bridgewater, plugs into a growing clamor for sophisticated strategies in the ETF space.