About Nikkei Nikkei Inc. is a business media organization with a history of more than 140 years. Our flagship media, The Nikkei, is Japan’s largest business newspaper and has been popular among businessperson for many years. Nikkei is also recognized in the global finance industry as the publisher of the Nikkei Stock Average, also known as the Nikkei 225. We have also had great success with our digital business including The Nikkei Online Edition and English-language media Nikkei Asia. (Formerly known as Nikkei Asian Review)