. on september 30 , 2008 , the firm issued $ 11.5 billion , or 284 million shares , of common stock at $ 40.50 per share . for additional infor- mation regarding common stock , see note 25 on pages 206 2013207 of this annual report . stock repurchases during the year ended december 31 , 2008 , the firm did not repur- chase any shares of its common stock . during 2007 , under the respective stock repurchase programs then in effect , the firm repur- chased 168 million shares for $ 8