The important condition for each application is the price level. The broker, in any case, try to get the best possible price. In this case the broker has the right to request received prior to the opening exchanges, run entirely by the first rate quoted by and applications filed during the meeting of the Exchange, – considering the possibility of the market since its arrival. One of the rules of the securities – you can not buy securities at the highest rate, and sell at the lowest. With the “stop order” limited losses, the client sets its acceptable for him at the minimum level of sales and the maximum purchase. The broker must fulfill customer requests in good faith and in the order they are received.