CORRECTED-Middlemen the key to corporate bond market's electric dreams

LONDON/NEW YORK, Nov 10 (Reuters/IFR) - Goldman Sachs, the biggest standalone U.S. investment bank, shuttered its GSessions electronic bond-trading platform in 2014. BlackRock, the world's biggest asset manager, closed its Aladdin bond trading network after less than a year in 2013. Last spring, Deutsche Boerse, owner of the Frankfurt Stock Exchange, pulled its funding for a platform called Bondcube.