Ten commercial banks in Nigeria, including First Bank, Zenith Bank, and Access Bank, lost a total of N87.4 billion in market value within a week of trading activities on the Nigerian Exchange amid difficulties faced by Nigerians in accessing cash and early closures of bank branches due to fear of attacks. First Bank experienced the largest loss of N23.3 billion, followed by Zenith Bank with N18.8 billion wiped off the value of the bank.