Source: advisorperspectives: Puplava-121113-Fig-5.png (500×472)

Money is pouring into highly rated U.S. corporate bonds at an even faster pace than Treasury debt, according to fund-tracker Lipper, as buyers clamor for investments perceived as safe that typically also yield a bit more than Treasurys. A shrinking supply of top-rated debt is also driving investors toward the highest-rated U.S. companies. That demand has driven up bond prices and pushed down yields.