Nikkei 225 (Nikkei heikin kabuka 225) is a stock market index for the Tokyo Stock Exchange (TSE). It has been calculated daily by the Nihon Keizai Shimbun (Nikkei) newspaper since 1971. It is a price-weighted average (the unit is Yen), and the components are reviewed once a year. Currently, the Nikkei is used as the [...]