Market Chatter -- Corporate finance press digest

BANGALORE, Feb 9 - The following corporate finance-related stories were reported by media on Tuesday:

* The government of Ghana has blocked the estimated $4 billion sale of a stake in its Jubilee oil field, foiling months of talks between potential buyer Exxon Mobil Corp <XOM.N> and the stake's owner, Kosmos Energy LLC, the Wall Street Journal reported. [ID:nN08166372]

* South Korea's Lotte Group has agreed to buy GS Retail's department store and discount store operations in a deal estimated at as much as 1.4 trillion won , according to the Maeil Business Newspaper on Tuesday. [ID:nSEL002958]

* Indian conglomerate GMR Infrastructure <GMRI.BO> is in advanced talks with private equity firms to raise about 15 billion rupees for its power unit, the Economic Times reported, citing the group's chairman. [ID:nSGE61803Q]