Will This All-Weather ETF Live Up to Its Name?

With many exchange-traded funds, it's easy to predict how they'll perform. If you have an S&P 500 index ETF, for instance, all you have to do is look at the S&P's closing value to get a sense of how your fund did. Even if you own a less transparent ETF like a sector-tracking fund, you might be able to get a solid sense of your performance on any given day by looking at representative stocks in that sector to see how they did. But for ETF investors looking for a single fund that can withstand any market e ...