are bbb bonds investment grade 
bonds that have a bbb rating from either standard poor s or fitch are considered investment grade bonds although they are the lowest tiers of investment grade bonds non investment grade bonds are rated bb through cc moody s uses a different rating system 2the bottom linelike with any investment high yield bonds have risks and rewards to consider for investors with a high risk tolerance high yield bonds may fit their investing goals these bonds can offer more attractive yields but they carry more risk and a lower credit rating than investment grade bonds factor in your individual financial situation including your income net worth investment goals and risk tolerance when deciding whether high yield bonds are right for you 