Standard and Poor's
noun
FINANCE, STOCK MARKET ukus(also Standard & Poor's 500 Stock Index™); ( abbreviation S & P)a US ratings agency (= organization that calculates the risk that loans will not be paid back) that also publishes a share index (= list of the average prices of shares on a particular stock market):
It's among the world's top banks as rated by Standard & Poor's.
Funds that bet on the Standard and Poor's index of 500 shares have gained nearly 10%.