Standard & Poor's
http://www2.standardandpoors.comStandard & Poor’s, a division of McGraw-Hill (NYSE: MHP), produces financial research and analysis on stocks and bonds. It provides credit ratings on public and private corporations and is designated as a Nationally Recognized Statistical Rating Organization (NRSRO) by the SEC. The firm’s long-term credit ratings range from “AAA” to “D” and its short-term credit ratings range from “A-1” to “D”. Standard & Poor’s also publishes indexes including the S&P 500.
S&P Announces Changes to US Indices: WYE for BUD, SRCL for BUD, FLO for SCRL, DMND for FLO, LIFE for ABI, BIO for IVGN