Citigroup Inc. — Citigroup Inc., a diversified financial service holding company, provides various financial products and services to consumers, corporations, governments, and institutions. It operates through five segments: Services, Markets, Banking, U.S. Personal Banking, and Wealth. The Services segment includes treasury and trade solutions, which provides cash management, trade, and working capital solutions to multinational corporations, financial institutions, and public sector organizations; and securities services, such as cross-border support for clients, local market expertise, post-trade technologi….· via yahoo