NEW YORK--(BUSINESS WIRE)--Fitch Ratings has introduced a number of policy and procedural changes in response to new and amended rules of the U.S. Securities and Exchange Commission ("SEC") which took effect today. These SEC rules implement requirements under the Dodd-Frank Wall Street Reform and Consumer Protection Act. Fitch Ratings is committed to complying with all applicable credit rating agency regulations and to enhancing our policies and procedures wherever appropriate to ensure that ou