The equity markets offer investors and traders access to invest in to a portfolio of shares
Index is a statistical measure of certain portfolio of stocks. With the help of index, investor can track economic health of portfolio, performance and possible future outcome of trends of other markets.
Investors can benefit greatly by predicting changes in the value of indices of a group of companies. Indices trading as CFDs allow investors to profit from either longing (buying) or shorting (selling) shares of a company without requiring that the investor own the index. Indices are popular among the investors as they are traded as any forex instrument.