Investment grade bonds - A bond that is assigned a rating in the top four categories by commercial credit rating companies. For example, S&P classifies investment grade bonds as BBB or higher, and Moodys classifies investment grade bonds as Ba or higher. Related: High-yield bond.
Investment grade bonds : a bond that is assigned a rating in the top four categories by commercial credit rating companies. for example, s&p classifies investment grade bonds as bbb or higher, and moodys classifies investment grade bonds as ba or higher. related: high-yield bond.