What Do Corporate Credit Ratings Mean For Investors? By: Benzinga via Benzinga September 13, 2016 at 14:23 PM EDT Every so often, headlines of a credit rating downgrade will be followed by news of a 10 or 20 percent drop in a stock’s share ... Read More >> Related Stocks: High Yield Corp Bond Ishares Iboxx $ ETF Invst Grade Corp Bond Ishares Iboxx $ ETF Moody's Corp S&P Global Inc