Nearly every top financial services company under the sun relies on this company's data systems. A majority of Nasdaq trades pass through SunGard's investment support systems, which banks, stock exchanges, mutual funds, insurance companies, governments, and others use for transaction processing, asset management, securities and commodities trading, and investment accounting. This business is part of SunGard's Financial Systems business segment, which serves the 25 largest global financial services firms. Its other primary segments, Public Sector and Availability Services, provide software and business continuity, managed IT, and professional services to datacentric businesses worldwide.