This index is composed of the top 250 market capitalizations of French-listed companies. Its aim is to represent the whole French Stock Market's evolution and to provide a long-term reference measure for the management of portfolios.
They are companies in charge of the negotiation of securities - transmitting and executing orders for the shareholder who makes the request - and the clearing of securities (delivery and payment). Some stockbrokers can also give advice and provide financial analysis. There are also stockbrokers online.