Just as an aside, the most common reasons for us not knowing the answers to important questions are that the answers are too complicated to yield easy information or that no one has been willing to put in the time and money to do the studies necessary to provide certainty.

CNN: What are the long-term brain effects of Xanax?

Now to put that into context, the equivalent UK bond yield is around 2.2% and Germany's is 1.8%.

BBC: France squeezed by markets

"Now that oil prices have dropped, that may put pressure on companies to issue with a higher yield, " Mr. Wolman said.

WSJ: Investors Snap Up Eastern Europe Debt

The secret to his success has been selectively buying high yield dividend stocks and REITs and some aggressive call and put writing for income.

FORBES: Be The House To Stock Options Gamblers

To put these figures in context, second-lien loans have even printed wide of high-yield bonds.

FORBES: Connect