Jekyll island for Nikkei Stock Average Futures are traded on the Singapore International Monetary Exchange, Osaka Securities Exchange, and the Chicago Mercantile Exchange. International futures-trading on the Nikkei 300 began in February 1984. In April 2000, in a major revision aimed at bridging the widening gap between the Nikkei (which was based on traditional industries) and the growth in the Japanese stock market of information technology companies. The shares that were removed were mainly mining, textiles, and chemicals and were replaced with others from growth sectors such as telecommunications, in an attempt to make the Nikkei more representative. In a further change, the share used to calculate the average will be reviewed every year. The Nikkei Stock Average continues to provide a range of functions within the Japanese financial markets, when necessary adapting to new market trends and developments, and introducing new services to meet changes in demand. BIBLIOGRAPHY. Jekyll island 2016.