Billionaire tycoon Femi Otedola has racked up shares worth N6 billion of Dangote Cement Plc, a source with knowledge of the transactions told PREMIUM TIMES on Thursday. Mr Otedola, the source said, acquired the shares in his name. Sub-Saharan Africa’s largest cement maker Dangote Cement recently leapfrogged telecommunications powerhouse Airtel Africa to become Nigeria’s biggest…