這一篇新聞也有提到信評機構相關的問題

NY Times Business Day

DealBook: Investors Call for 4-Way Breakup of McGraw-Hill
By AZAM AHMED and MICHAEL J. DE LA MERCED
Published: August 22, 2011

Jana Partners and a Canadian pension fund have called for McGraw-Hill to be cut into four businesses, including dividing its Standard & Poor's unit into its component index and ratings operations.

http://dealbook.nytimes.com/2011/08/22/investors-call-for-4-way-breakup-of-mcgraw-hill/

請注意，信評機構並不只是做評價而已。還有一連串的相關事業，像是賣indexes等的。另外，S&P的老闆竟然是McGraw-Hill，這點我以前好像就看過，但現今看起來更加令人有些覺得古怪的有趣。