Tokyo Stock Exchange Stock Price Index〔【略】TOPIX◆この指数は、東証市場第一部の全銘柄の時価総額が基準時の時価総額に比べてどのくらい上がった(下がった)かを示す。基準時は、1968年1月4日の終値で、それを100としている。//TOPIX is an abbreviation for TOkyo stock Price IndeX. It compares the total current value of all stocks in the Tokyo Stock Exchange's 1st section to the original value ; investors can then see how much the total has risen or fallen. The original value to which the current value is compared is the closing total on January 4, 1968, which was taken to be 100.〕