It is unanimously recognized the fact that market economy implies the existence of the assets’ circulation in whose center the market economy and its institutions must provide the setting which makes possible the movement and the transfer of available capitals towards the users whose needs overcome the internal possibilities to meet the expenses. In this particular context, the specific exchange securities, i.e. shares, bonds, treasury bonds, treasury securities, become active parts in the stimulation of the economic development and in discouraging speculations and co-ordinate influences. For the economic units that meet certain conditions concerning the organization form, the size, the capital, etc. and that carry on their activities in a free market setting, the stock exchanges have an essential role in the setting up and consolidation process of a competitive and profitable business.