Comerica Incorporated is a financial holding company. Its Commercial Bank segment serves small and middle market businesses, multinational corporations, and governmental entities by offering various products and services, including commercial loans and lines of credit, deposits, cash management, capital market products, international trade finance, letters of credit, foreign exchange management services and loan syndication services. Retail Bank segment includes a range of personal financial services, consisting of consumer lending, consumer deposit gathering and mortgage loan origination. The segment also offers a subset of commercial products and services to micro-businesses. Wealth Management segment offers products and services consisting of fiduciary services, private banking, retirement services, investment management and advisory services, investment banking and brokerage services. Finance segment includes the securities portfolio and asset and liability management activities.