SUMCO
Encyclopedia
is a Japanese company. It is listed on the Nikkei 225
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Nikkei 225
The , more commonly called the Nikkei, the Nikkei index, or the Nikkei Stock Average , is a stock market index for the Tokyo Stock Exchange . It has been calculated daily by the Nihon Keizai Shimbun newspaper since 1950. It is a price-weighted average , and the components are reviewed once a year...
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