LONDON, May 15 (Reuters) - Greek 10-year bond yields rose to near two-month highs on Thursday, with traders citing a document detailing a retroactive tax on non-resident holders of Greek bonds.
Greek 10-year yields rose as high as 6.84 percent, up 53 basis points on the day.
A copy of the document published on the Deutsche Boerse website and seen by Reuters was last updated on May 5th. http://www.clearstream.com/ci/dispatch/en/cic/CIC/Annnouncements/ICSD/Tax/Greece/2014/A14063.htm
Other traders cited concerns that the far-right Golden Dawn in Greece was gaining in opinion polls ahead of EU elections.
(Reporting by John Geddie, editing by Patrick Graham)