For example the price of oil indexes based on oil futures may differ from the «spot price» for oil. (moneysmart.gov.au)
The practice of index based investing in market cap weighted size (e.g. small cap), style (e.g. value) and industry sectors has been well established for several years. (indexologyblog.com)
Using a 100 - point scale, the site provides a composite index based on all four components as well as scores for each one separately. (lawsitesblog.com)