Platform as a service (PAAS) featuring computer software platforms for use in the field of financial services, namely, for trade order and execution management, for clearing and settlement of financial transactions, for financial risk management, for investment portfolio construction and management, for obtaining access to financial instrument pricing engines, for tracking and monitoring compliance with laws, regulations and internal guidelines, for financial records management, for conducting financial analyses, for administration of investment accounts, for data management in the field of financial services, for conducting financial research, for preparing financial reports, and for obtaining, managing and transmitting financial information