If held to maturity, the securities yield from 7.05 percent to 7.25 percent.

If held to maturity these securities yield from 6.60 percent to 6.65 percent.

On average, these three are yielding 5.5 percent to 6 percent.

That would yield an overall growth rate of 17 percent to 18 percent a year, he said.

The $1.3 billion issue was priced to yield 2.75 percent in 1993 to 6.35 percent in 2012.

Junk bond funds have lately been yielding 8 percent to 14 percent a year.

The bonds were priced to yield from 3.9 percent in 1997 to 5.5 percent in 2010.

If held to maturity, the securities will yield from 7.20 to 7.35 percent.

In the top tax bracket this is equivalent to yield from 6.23 percent to 8.91 percent.

The zero-coupon bonds, which pay no interest, will yield from 7.30 to 7.55 percent if held to maturity.