poors The "P" of S&P 500 The "P" of "S&P" The 'P' of the S&P 500 Standard & ___ (big financial services company) Standard & __ Possessive on a stock index Half of a stock market index name Standard & ___ 500 Standard's partner Standard partner? Standard & ___ Standard & ___ 500 Wall Street's Standard & __ The "P" of the S&P 500