Securities investments are some of the most commonly made investments. A security is a type of investment instrument. A business provides these, the government or other types of organizations in a method designed to raise income for the business while providing the investor with the ability to see a profit over the long period. The most common forms of security investments include debentures, certificates of interest or participation, stocks, treasury stocks, bonds, or other profit sharing agreements. This broad term also includes a number of other types of investments. These are often exchanged and therefore are transferable from person to person. The goal of security investing is to purchase at a low price and sell at a high price.