Citigroup: A Global Financial Powerhouse Citigroup Inc. is a multinational investment bank and financial services corporation. It is one of the largest banks in the United States and the world. The company offers a wide range of financial products and services to individuals, corporations, governments, and institutions. Key Business Segments Citigroup operates through four primary business segments: Global Consumer Banking: This segment provides retail banking and wealth management services to consumers. It includes credit cards, mortgages, loans, and investment products. Institutional Clients Group: This segment offers a range of investment banking, trading, and securities services to corporate and institutional clients. Global Wealth Management: This segment provides wealth management services to high-net-worth individuals and families. Global Functions: This segment includes corporate functions such as finance, risk management, technology, and operations. Key Challenges