The Vanguard FTSEEmerging Markets ETF (VWO) is undergoing a face-lift as it transitions from its MSCI emerging markets index to a FTSEemerging markets index.
Look no further than the relative performance of VWO and the Schwab Emerging Markets Equity ETF (SCHE), the latter of which tracks a similar version of the FTSEEmerging Markets index.