Oil Slicks for Junk Bond ETFs

The United States Oil Fund (NYSEArca: USO) is off 6.4% in the past month as West Texas Intermediate, the U.S. benchmark oil contract, ominously descents to $80 per barrel. Oil’s slide has wrought havoc for futures-based ETFs, such as USO, as well as scores of equity-bae funds with energy sector...