The iShares MSCI EM Latin America UCITS ETF USD (Acc) seeks to track the MSCI Emerging Markets Latin America 10/40 index. The MSCI Emerging Markets Latin America 10/40 index tracks the equity markets of emerging markets in Latin America. The imbedded 10/40 rule limits the weight of a single company to 10% of the index. The sum of all companies with weights between 5% and 10% is limited to 40%.