May 8, 2017
How BlackRock stopped Vanguard from devouring ETF market share by pleasing RIAs -- but how that strategy could endanger iShare profit margins in the long run
The $5 trillion iShares-maker scores with low, low-priced 'non-Core' ETFs that don't cannibalize high-margin Core iShare products but the liquidity of the cheapo funds could be a problem