UPDATE 1-Pool of sub-zero euro debt yields shrinks further in May after Italy selloff
June 05, 2018 at 08:23 AM EDT
LONDON, June 5 (Reuters) - The pool of government bonds in the euro area with sub-zero yields shrank in May, according to latest data from trading platform Tradeweb, as a sharp selloff in Italy's bond market drove up borrowing costs in southern Europe.