The boards of Lafarge (LAFP.PA) and Holcim (HOLN.VX) met separately on Tuesday to try and salvage their merger to create the world's biggest cement firm, two sources said.
Macerich Co, the third-largest U.S. shopping mall owner, rejected a $14.39 billion unsolicited offer from larger rival Simon Property Group Inc, saying the proposal "substantially undervalues" the company.
Citigroup Inc said on Tuesday it plans to exit its custody business in Argentina as soon as possible, after a U.S. judge refused to lift an injunction that blocked the bank from processing interest payments on $2.3 billion of Argentina bonds.