Japanese index provider Nikkei is set to rollout a new family of indices, led by the Nikkei Asia300 Index, which will gauge the health of the wider Asian economy and serve as underlyings for exchange-traded funds (ETFs) and other investment solutions including structured products. The benchmark will be based on the existing Asia300 list of 'must-watch' Asian companies maintained by Nikkei, which includes 325 of the biggest and most influential companies in the fastest-growing region in the worl