Index. Statistical composite that measures changes in the economy or in financial markets. Examples are the Dow Jones^® Industrial Average and S&P 500^®.

Intangible tax. A tax applied by some states to the value of intangible assets owned by taxpayers at some point in time. It is not an income tax. Intangible assets may include stocks, bonds, patents and copyrights. The tax does not include tangible property such as a house or car. Different states may have varying definitions of intangible assets. Please consult your tax advisor or state tax office for specific information on whether your state has an intangible tax and how it is calculated.

International mutual fund. See Foreign mutual fund.