A consortium led by the US private investment firm NRDC Equity Partners and German businessman Bernd Beetz plan to buy bankrupt German department store chain Galeria Karstadt Kaufhof, dpa learned from sources close to the negotiations. Representatives for Galeria’s insolvency manager, Stefan Denkhaus, and the company itself both declined to comment on the deal, which was reported earlier by the Handelsblatt business daily. Denkhaus is said to have recently held final negotiations on the sale of the chain with two bidders. Handelsblatt reported Denkhaus informed creditors on Monday that NRDC an…