Find Maryland Heights Missouri libraries, such as state, town, city, public, private, college and university library branches. Libraries provide information on applications, borrowing books, ebooks, library programs, online databases and research. Maryland Heights Library. Find Maryland Heights Missouri libraries, such as state, town, city, public, private, college and university library branches. Libraries provide information on applications, borrowing books, ebooks, library programs, online databases and research.
By David Ashworth | Mar 12, 2015 10:09 am EDT. Investment-grade bonds are fixed-income issuances with a rating of BBB and above as provided by credit ratings agency S&P (Standard & Poorâs). The agency uses modifiers + and â to show relative standing within the major rating categories.
A junk bond refers to high-yield or noninvestment-grade bonds. Junk bonds are fixed-income instruments that carry a credit rating of BB or lower by Standard & Poor's, or Ba or below by Moody's Investors Service. Junk bonds are so called because of their higher default risk in relation to investment-grade bonds.