Nikkei

The Nikkei 225 (日経平均株価 Nikkei heikin kabuka, 日経225), more commonly named the Nikkei, the Nikkei index, or the Nikkei Stock Average is a stock market index for the Tokyo Stock Exchange (TSE).

It is a price-weighted index comprised of Japan's top 225 blue-chip companies on the Tokyo Stock Exchange.

The Nikkei is equivalent to the Dow Jones Industrial Average Index in the U.S. In fact, from 1975 to 1985, it was called the Nikkei Dow Jones Stock Average.