The Nasdaq Stock Market Inc. announced that it has priced its common stock offering of 18,500,000 shares at US$37.36 per share.

Total net proceeds will be approximately US$664.5 million. Earlier in the month, Nasdaq spent US$780.1 million to buy a 15% stake in the much-coveted London Stock Exchange.

Nasdaq granted the underwriters an option to purchase up to an additional 2,775,000 shares to cover over-allotments. Banc of America Securities LLC and Credit Suisse acted as joint book-running managers and Bear, Stearns & Co. Inc., UBS Investment Bank, Cowen & Company, Keefe, Bruyette & Woods, Sandler O’Neill + Partners, L.P., Thomas Weisel Partners LLC and Wachovia Securities acted as co-managers.