Rakuten’s Nikkei Inclusion Adds to Founder’s Net Worth: Chart

The billionaire founder of Japan’s Rakuten Inc. added more than $500 million to his fortune Wednesday. Shares of the e-commerce company jumped 7.2 percent on news the stock will be included in the Nikkei 225. Hiroshi Mikitani is now worth $8.1 billion, the fourth-richest person in Japan, according to the Bloomberg Billionaires Index.

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