Source: Wikipedia
An investment bank is a financial institution that assists individuals, corporations, and governments in raising capital by underwriting or acting as the client's agent in the issuance of securities (or both). An investment bank may also assist companies involved in mergers and acquisitions and provide ancillary services such as market making, trading of derivatives and equity securities, and FICC services (fixed income instruments, currencies, and commodities).
Unlike commercial banks and retail banks, investment banks do not take deposits. From 1933 (Glass–Steagall Act) until 1999 (Gramm–Leach–Bliley Act), the United States maintained a separation between investment banking and commercial banks. Other industrialized countries, including G8 countries, have historically not maintained such a separation. As part of the Dodd-Frank Act 2010, Volcker Rule asserts full institutional separation of investment banking services from commercial banking.
