investment bank 
noun
A bank that purchases large holdings of newly issued shares and resells them to investors.The investment bank also benefits from the additional fees it earns for stabilising the stock....
- One of my brightest - and wealthiest - friends is a big hitter in an American investment bank.
- If a manager thinks a stock might fall in value, he can borrow shares from an investment bank and sell them.
Derivatives
investment banker
- An investment banker might point to the state of the capital markets, where raising start-up money now is close to impossible.
- Firms using Morgan Stanley as their investment banker paid significantly higher premiums than other firms.
- An experienced investment banker can sometimes negotiate a middle ground acceptable to both company and investor.
investment banking
- Barclays is an international financial services group engaged primarily in banking, investment banking and asset management.
- A lot of these reforms really did nothing to break the sort of connection between research and investment banking.
- The chiefs of investment banking, research, and private-client services reported to him.