Portuguese sovereign debt rallied on Monday after the country was boosted by an upgrade from ratings agency Fitch.
Fitch upgraded Portuguese government bonds late on Friday, moving the rating up two notches to investment grade.
As at 0840 GMT the yield on 10-year Portuguese government bonds was at 1.747%, down 3.96% on the day. Bond prices move inversely to yields.
It takes the yields on Portuguese debt to below those of Italy; Italian 10-year yields were at 1.798%.