Standard & Poors (S&P),
Definition of Standard & Poors (S&P):
US financial information publishing and securities rating firm which also maintains the CUSIP number system. A part of McGraw-Hill group of companies, it publishes bond Guide, earnings Guide, stock Guide, stock reports, S&P register, and other such material, but is best known for Standard & Poors 500 composite index. It also maintains indices such as S&P MidCap 400, S&P SmallCap 600, and the S&P 1500 Super composite index that represents 82 percent of the market capitalization of all US stocks traded in the equities market.
Meaning of Standard & Poors (S&P) & Standard & Poors (S&P) Definition