Greek government bonds fell to a 10-year record low on Friday after the rising concern of debt restructuring in the country due to the ongoing debt crisis.

Greek two-year notes also fell for the first time in three weeks. Fitch Ratings said that the decline of Greek government bonds have lowered the Greece’s credit ratings by three levels, to B+ from BB+, four notches below investment grade.

The President of the Deutsche Bundes Bank and a member of the European Central Bank’s Governing Council, Jens Weidmann said, “bank might no longer be able to accept Greek bonds as collateral if maturities were extended, stoking demand for the relative safety of Europe’s benchmark debt”.

Meanwhile, the indexes compiled by the European Federation of Financial Analysts Societies and Bloomberg reveal that the investors have to experience a loss of 0.8% this year as because of the fall of German government bonds. Then index also show that Greek debt lost 11.4% whereas Irish securities lost 6.6%.

Irish 10-year bond yields have jumped in the last month. The spread between Irish 10-year yields and German bunds was at 741 basis points Friday.