Global X Nigeria Index ETF (NYSEArca: NGE)
April gain: 8.3%
Comment: Nigeria’s OPEC membership has helped lift Nigeria as investors have prized energy-related investments. Last month, Jim O’Neill, the former chairman of Goldman Sachs Asset Management and the man that brought the world the now ubiquitous BRIC and MINTs emerging markets acronyms, spoke favorably about the economic opportunity offered by what is now Africa’s largest economy.