(Bloomberg) -- Nigeria’s naira plunged to a record against the dollar following a revision of the methodology used to set the exchange rate, in effect the second devaluation of the currency in seven months.Most Read from BloombergMusk Says First Neuralink Patient Received Implant in BrainTraders Line Up for ‘Once-in-a-Generation’ Emerging Markets BetBlackstone Is Building a $25 Billion Empire of Power-Hungry Data CentersTrump Cash Stockpile at Risk From $450 Million Dual VerdictsAmazon Drops iRo