Investors see growing risks in Nigeria's devaluation delay

By Karin Strohecker and Sujata Rao LONDON (Reuters) - International investors, dismayed by Nigeria's decision to delay a naira devaluation they see as long overdue, will hold back from its stock and bond markets, raising risks of a deeper crisis in Africa's biggest economy. The afterglow from March, when an incumbent president handed over power after what was seen as Nigeria's freest ever election, is dissipating as new leader Muhammadu Buhari shows little sign of following up on promises of eco