Starting in December 2016, Nikkei Inc. will launch a series of stock indices under the heading "Nikkei Asia300 Index," bringing together over 300 of Asia's most influential companies. Designed to capture the dynamism of a region at the forefront of global economic growth, the index will be used by the Nikkei Group to carefully track stock price movements and to provide comprehensive and timely coverage of the health of the Asian economy.Indices will be calculated by Singapore Exchange Limited (SGX), following an agreement signed by Nikkei and SGX on 5 October.