Commercial banks and savings institutions insured by the Federal Deposit Insurance Corporation (FDIC) reported aggregate net income of $59.1 billion in the fourth quarter of 2018, up $33.8 billion (133.4 percent) from a year ago. The improvement in net income was led by higher net operating revenue and lower income tax expenses. Financial results for the fourth quarter of 2018 are included in the FDIC’s latest Quarterly Banking Profile released February 21. Release.