BY SILAS EZEUGWU, MARK ITSIBOR, Abuja AND BUKOLA ARO-LAMBO Lagos The Central Bank of Nigeria (CBN) has taken delivery of responsibly sourced gold refined to London Bullion Market Association (LBMA) Good Delivery standards into its foreign reserves. This brings the CBN’s total gold holdings to $3.5 billion, marking a significant step in its reserve diversification […]