Transactions on the floor of Nigerian Exchange on Wednesday closed northward, appreciating by N241 billion as gains recorded in the shares of Seplat Energy, Okomuoil oil, Oando Plc, United Bank for Africa, Zenith Bank, FBNHoldings, Fidelity Bank and others listed market activities. Market capitalization of listed equities increased by 0.43 per cent to N56.881 trillion …