Madrid Stock Exchange General Index
Overview
 
The Madrid Stock Exchange General Index (IGBM) is a capitalization-weighted stock market index
Stock market index
A stock market index is a method of measuring a section of the stock market. Many indices are cited by news or financial services firms and are used as benchmarks, to measure the performance of portfolios such as mutual funds....

 that measures the performance of a selected number of continuous market stocks. It is the principal index for the Bolsa de Madrid
Bolsa de Madrid
Bolsa de Madrid is the largest and most international of Spain's four regional stock exchanges that trade shares and convertible bonds and fixed income securities, and both government and private-sector debt...

 (Madrid Stock Exchange) and represents the construction, financial services, communications, consumer, capital/intermediate goods, energy and market service sectors. The index was developed with a base value of 100 as of December 31, 1985.
 
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