Two further equity index ETFs issued by SPDR offer investors the chance to invest in the MSCI ACWI (All Country World Index) and MSCI ACWI IMI (All Country World Investable Market Index). Both indices aim to track the performance of equities from industrialised countries as well as emerging markets. The MSCI ACWI All Country World Index comprises around 2,400 companies, the MSCI ACWI All Country World Investable Market Index around 9,000 companies from 45 countries, of which 24 are industrialised countries and 21 emerging markets.