www.thebalance.com/what-is-an-investment-bank-357318An investment bank is a special type of financial institution that helps companies access capital markets to raise money for expansion or other needs.
en.wikipedia.org/wiki/Investment_bankingAn Investment bank is a financial services company or corporate division that engages in advisory-based financial transactions on behalf of individuals, corporations, and governments. Traditionally associated with corporate finance, such a bank might assist in raising financial capital by underwriting or acting as the client's agent in the issuance of securities.
corporatefinanceinstitute.com/resources/careers/.../investment-banking-overviewInvestment banking is the division of a bank or financial institution that serves governments, corporations, and institutions by providing underwriting (capital raising) and mergers and acquisitions (M&A) advisory services. Investment banks act as intermediaries between investors (who have money to invest)...
corporatefinanceinstitute.com/resources/careers/.../list-of-top-investment-banksInvestment banks are the powerhouses of the financial industry. The investment bankers that push these banks forward work extremely long hours, often day and night, to secure whatever it is that their clients demand of them. If choosing to go down this career path, you should expect very long hours.
www.wallstreetprep.com/knowledge/about-investment-bankingBanks match up buyers and sellers as well as buy and sell securities out of their own account to facilitate the trading of securities Retail and Commercial Banking . After the repeal of Glass-Steagall in 1999, investment banks now offer traditionally off-limits services like commercial banking.
en.wikipedia.org/wiki/List_of_investment_banksThe following are the largest full-service global investment banks; full-service investment banks usually provide both advisory and financing banking services, as well as sales, market making, and research on a broad array of financial products, including equities, credit, rates, currency, commodities, and their derivatives.