The research specified with study the relation between the market share for the sample research banks and the amount of the achieved revenues from the investment, where the dominated belief that there potentiality enhancing the revenue on investment with the increase of the banks shares in their markets after their success in achieving rates of successive growth in their sales of sales and to a suitable achieve market coverage for their products and they have dissemination and suitable promotion activity, the market share represented the competition for the banks, and the markets pay attention to the market share as a strategic objective and to maintain them also increasing them at a certain marketing conditions, where the market share effects positively in the revenue rate on investment, and at the final station, the research has reached several conclusions and recommendations , and the most important of them are:- the research results has proved, in their final form, the significance effect of market share in the profits of the banks of the sample research after the results have proved that there is positive relation between the market share and the investment revenue and any increase in the market share for the sample research sample resulted in increase in the profit levels with the significance of revenue on the investment in the stocks reverse to that, it supports the research hypothesis. The researcher recommends to investigate methods of increasing the banks shares from their sales and positioned advanced locations guarantee achieving a substantiated competitive
