Some managers are rolling out long/short bond funds meant to hedge against rising interest rates. But the success of their strategy rests on a market call, and no one can predict when rates will rise.

...

During the past decade, many equity index funds delivered solid results. Seeing that strong record, some investors are concluding that what works with stocks can also succeed in bond markets. But passive funds have lagged active managers in a ...

Currency war? No. But you can still profit from the slide in the Yen.