A group of investors who, by pooling their resources, are able to make more frequent and larger investments on a stock exchange, often being able to reduce brokerage and to spread the risk of serious loss. The popularity of investment clubs has waxed and waned with the developments of investment vehicles and the value of stocks.

• assignment of insurable interest
• assignment of life policies
• associate company
• Association for Payment Clearing Services
• Association of African Development Finance Institutions
• Association of British Insurers
• Association of Corporate Treasurers
• Association of Futures Brokers and Dealers Ltd
• Association of International Bond Dealers
• Association of Lloyd's Members
• Association of Natural Rubber Producing Countries
• Association of Private Client Investment Managers and Stockbrokers
• Association of Tin Producing Countries
• assurance
• assured
• AST
• ASX
• asymmetric information
• asymmetric margining
• asymmetric payoff
• at
• at best
• at call
• Athens Stock Exchange
• at limit