PURPOSE: To receive the market price information on each name from a stock exchange through a broadcast addressing device and then to efficiently display the stock information on each display terminal.

CONSTITUTION: A broadcast addressing device 12 is provided with a name-based data memory 16 which stores the latest market price information on each name, a change detecting means 19 which detects a fact that the received market price information is changed to the stored precedent market price information, a change information adding means 20 which adds the change information to the market price information that is sent to each display terminal 14 when the received market price information is changed, and a data updating means 21 which updates the memory 16 based on the received market price information. Then, each terminal 14 is provided with a change information display means 27 which adds the change information to the relevant market price information and displays them when the change information is added to each market price information received from the device 12 and also the display of the relevant name is designated.