The S&P CNX Nifty is the leading index for large companies on the National Stock Exchange of India. It consists of 50 companiesrepresenting 24 sectors of the economy, and representing approximately 47% ofthe traded value of all stocks on the National Stock Exchange of India.
Nifty Fifty was an informal term used to refer to 50 popular large cap stockson the New York Stock Exchange in the 1960s and 1970s that were widelyregarded as solid buy and hold growth stocks. Nifty Index is basically an indicator giving you a general idea about whether most of the stocks have gone up or most of the stocks have gone down.