Demand for nations first zero-coupon issue reflects safe-haven buying.

Lackluster results of Spanish debt auction also hit Italian, Greek bonds.

Lackluster results of Spanish debt auction also hit Italian, Greek bonds.

Portuguese debt suggests Greek restructuring not unique.

Portuguese debt suggests Greek restructuring not unique.

Amount of maturing debt is up from 2011.

Currency sees first two-year decrease vs. dollar since 2001 on debt crisis.

Currency sees first two-year decrease vs. dollar since 2001 on debt crisis.