T-bills yield a negative real rate of return now and 10-year Treasuries yielding 4% don't light my fire.

FORBES: Magazine Article

T-bills normally yield a 1% real rate of return.

FORBES: Magazine Article

Money market funds and cash equivalents (short-term certificates of deposit, T-bills) will yield below 1.0 percent for several more years, thereby generating a negative real return.

FORBES: The Next 10 Years

Just a week ago, the financial news was pretty dire, as stocks closed near their lows and everyone was piling into three-month T-Bills that had almost no yield.

FORBES: The Week Ahead: Will Stocks and Rates Continue Higher?

One market signal is giving me great concern: the yield on 6-month T-bills continues to decline and is now at a record low, just above 0%, even below the December 2008 crisis low.

FORBES: Danger For The Bulls

So, when the interest rate on 90-day T-bills is below the IOR rate, for practical purposes we have an inverted yield curve.

FORBES: We Need QE3 Like We Need A (Jackson) Hole In The Head

Currently, the Treasury yield curve ranges from 0.11% for 3-month T-bills, to 2.85% for 30-year T-bonds.

FORBES: When the Fed Makes Headlines, You Know We're In Trouble