Method and system for transmitting stock price information, information database therefor, server for detecting conditions and client terminal

The system is composed the notification information data base 26 for storing conditions concerning notification of the stock price of a specific name input from a customer terminal connected to the network 21 and the customer's mail address in correspondence to each other, the stock price storage server 27 for updating and storing the stock price of the specific name on the market, the condition detection server 28 for detecting whether the conditions stored in the notification information data base are satisfied or not using the stock price of the specific name stored in the stock price storage server, and the stock price notification mail server 29 for transmitting, when the condition detection server detects that the stock price of the specific name satisfies the conditions, electronic mail to the customer mail address corresponding to the conditions.