Which one of the following statements is not correct?
(a) The National Association of Securities Dealers Automated Quotations known as NASDAQ, is an American stock exchange
(b) Nikkei is the stock market index for the Tokyo Stock Exchange
(c) S and P CNX Nifty is the index for 50 large companies on the Bombay Stock Exchange
(d) Hang Seng Indexes record daily changes of the largest companies of the Hong Kong stock market