The default rate by principal amount stayed level at 5.9% at the end of April while the default rate by issuer count fell to 7.1% at the end April from at 7.2% at the end of March.

FORBES: May 2013 European Leveraged Loan Market Analysis

"To help support the economic recovery in a context of price stability, the Committee will keep constant the Federal Reserve's holdings of securities at their current level by reinvesting principal payments from agency debt and agency mortgage-backed securities in longer-term Treasury securities, " the FOMC says, adding it will continue to roll over the Federal Reserve's holdings of Treasury securities as they mature.

FORBES: U.S. Economy

The nice thing about I Bonds is that, unlike market-traded bonds, your principal is absolutely steady--it does not fluctuate with the level of interest rates.

FORBES: Fact and Comment

Through such studies UNESCO is conceiving a dynamic role of its Islamabad office in not only policy formulation at state level but capacity building and strategy implementation at the local, to fulfill its principal role of facilitator and valuable partner in attaining country's prosperity.

UNESCO: NATURAL SCIENCES

But beware: If you are going to use your 401(k) for anything other than retirement savings, you have to make sure you are contributing to the account at a level surpassing what you think you need for retirement, notes Brian Keating, principal of Navigator Financial Advisors in Essex, Mass.

FORBES: Back To The Future: Rethinking Retirement

Dr. Mark Bell, principal of Emergent Medical Associates, which operates 18 emergency departments in Southern California, said the level of fear is unprecedented.

CNN: Hysteria over swine flu is the real danger, some say