...October 9, 2020 NEW YORK (S&P Global Ratings) Oct. 9, 2020--S&P Global Ratings today said it assigned its 'BBf' fund credit quality rating (FCQR) and '##' fund volatility rating (FVR) to the iShares ## Rated Corporate Bond ETF. The 'BBf' FCQR signifies that the credit quality of the fund's portfolio exposure is weak. The iShares ## Rated Corporate Bond ETF seeks to track the investment results of an index composed of '##' or equivalently rated fixed rate U.S. dollar-denominated bonds issued by U.S. and non-U.S. corporations. The fund seeks to meet its investment objective generally by investing in individual securities that satisfy the criteria of the ICE BofA ## US High Yield Constrained Index, which measures the performance of the '##' or equivalently rated, fixed-rate, U.S. dollar-denominated corporate bond market. We view the investment manager, BlackRock Fund Advisors (BFA), as strong. Within our management-scoring framework, we do not assess credit culture or credit research of funds...