Index Fund: An Investment Trust which invests in a portfolio reflecting the make-up of a particular stock market index.
Inflation: A situation of too much money chasing too few goods, leading to increases in the purchase price of goods and services over time.
Inside Information: Information or news coming from within an organisation which is not available to the public.
Insider: A corporate officer of a listed firm. It usually refers to an officer in some position of authority who has access to confidential information which may have a bearing on the price of the firm’s shares.
Insider Trading: The trading of shares by corporate Insiders, making use of inside information to their advantage.
Insolvency: Condition of a firm whereby it is not able to meet debts when due.