Some of the biggest corporations in Nigeria have exploited this clause for years to their advantage in what analysts say reek of market manipulation.
Wasu daga cikin manyan kamfanoni a Nijeriya sun yi amfani da wannan kafa don amfanin kan su a tsahon shekaru da dama, abin da masu fashin baqi su ka kira sarrafa kasuwa ta mummunar manufa.