(Bloomberg) -- Last month’s currency devaluation in Nigeria is bringing foreign investors back to the nation’s stock market.Most Read from BloombergPowell Haunted by Repo Crisis as Fed Aims to Cut Balance SheetMove Over Dubai. This Tiny Emirate Wants to Be the Next Haven for BillionairesJack Ma’s Clash With Beijing Costs Ant, Alibaba $850 BillionYellen Says US-China Ties on ‘Surer Footing’ After Beijing VisitChina Slides to Brink of Deflation, Adding Stimulus UrgencyOverseas investment flows hav