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Central Bank of Nigeria's (CBN) governor Godwin Emefiele gives a press conference on the naira devaluation during a media briefing in Abuja on June 15, 2016. Nigeria's central bank said today it will ease currency controls and allow the naira to devalue as the country works to attract investment amid a worsening economic outlook. Central Bank of Nigeria (CBN) governor Godwin Emefiele said in a televised speech from Abuja that the currency market will be "purely market driven". / AFP / PHILIP OJISUA (Photo credit should read PHILIP OJISUA/AFP/Getty Images)

Central Bank of Nigeria's (CBN) governor Godwin Emefiele gives a press conference on the naira devaluation during a media briefing in Abuja on June 15, 2016. 
Nigeria's central bank said today it will ease currency controls and allow the naira to devalue as the country works to attract investment amid a worsening economic outlook. Central Bank of Nigeria (CBN) governor Godwin Emefiele said in a televised speech from Abuja that the currency market will be "purely market driven". 
 / AFP / PHILIP OJISUA        (Photo credit should read PHILIP OJISUA/AFP/Getty Images)