這是維基的介紹：
Fitch Ratings Inc. is an American credit rating agency and is one of the "Big Three credit rating agencies",[3] the other two being Moody's and Standard & Poor's. It is one of the three nationally recognized statistical rating organizations(NRSRO) designated by the U.S. Securities and Exchange Commission in 1975.
一家總部設在美國的著名評級公司，又是關於美國國債的評價，一定是反複審核的。當然如果大家不相信評級公司，那這些公司就沒有存在的必要了。
