A share in economic terms refers to the way or ways in which the share is divided capital of an entity. In particular, the concept of participation is particular to a Limited Liability Companyand it is structured or divided in a cumulative or indivisible way.
In general, the characteristics of the shares are that they generally have a nominal value but cannot be fractioned. All social participation is based on these principles and they are also cumulative, so that one can be the owner of all the shares of a . This is what commonly happens with limited partnership shares.
At the same time, there are other types of shares, such as preferred shares, through which an investment is developed whose liquidity varies according to the situation in which the market is.
In any case, the shares are issued by a company and their real and nominal performance is totally linked to the profits obtained by the company.