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Keyence, Murata Jump on Nikkei Addition; Nintendo Gains Muted

  • Long-awaited additions come after tweaks to Nikkei methodology
  • Nintendo gains more muted; deleted and excluded stocks drop
Tokyo Game Show Begins

Photographer: Tomohiro Ohsumi/Getty Images

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Keyence Corp. and Murata Manufacturing Co. jumped in Tokyo trading on Tuesday after the two were announced as additions to the Nikkei 225 Stock Average in a major shake-up to the blue-chip gauge. Gains in Nintendo Co., widely picked beforehand to become a member, were more muted. 

The three companies’ stocks will be added on Oct. 1, Nikkei Inc. said in a statement on Monday. The inclusion of the likes of Nintendo and Keyence comes after the Nikkei implemented changes to the way the measure is calculated, allowing for the adjustment of high-priced stocks.