The yield on the Treasury's 30-year bond edged up slightly, to 6.08 percent from 6.07 percent.

The yield edged up to 5.22 percent, from 5.15 percent on Monday.

But the 30-year Treasury bond's yield edged up to 6.04 percent.

The yield on the 30-year Treasury bond edged up to 6.85 percent from 6.84 percent.

The yield on the 30-year bond edged up to 6.95 percent.

The 30-year bond's yield edged up to 7.07 percent.

The 30-year bond's yield edged up to 6.70 percent from 6.68 percent on Tuesday.

The yield on the 30-year bond edged down to 6.90 percent.

The yield on Spanish 10-year bonds has edged a little higher in early trading - hitting a high of 6.48%.

The yield edged up to 7.32 percent from 7.31 percent.