1. A method for updating a stop loss order for shares of a publicly traded stock, comprising: accessing a data record containing investment information pertaining to the stop loss order, said investment information including a current stop loss value for the shares; retrieving a current price of one share of the stock, determining whether the stop loss order should be updated; calculating a new stop loss value based on the current price; and issuing to a financial institution an update to the stop loss order for the shares, said update including the new stop loss value.