You should use other factors along with credit rating information when deciding whether to buy a bond. (edwardjones.com)
In compiling credit rating information Morningstar accepts credit ratings reported by fund companies that have been issued by all Nationally Recognized Statistical Rating Organizations (NRSROs). (usaa.com)
- Morningstar seeks credit rating information from fund companies on a periodic basis (e.g., quarterly). (usaa.com)