Bonds Started To Falter. Then, The Fed Came To The Rescue.

Core bond funds have made money for investors, but it has been anything but an effortless ride. The largest bond mutual fund and exchange-traded fund— the Vanguard Total Bond Market Index Fund and the iShares Core U.S. Aggregate Bond E.T.F.— both gained more than 2 percent for the first three months of the year. The Pimco Income Fund, which relies heavily on…