McGraw-Hill owns Standard & Poor's, educational publisher McGraw-Hill Education, Platts energy information services and J.D. Power and Associates.
S&P, despite criticism from the Obama administration, has supported its decision Friday to downgrade the U.S.
McGraw-Hill (NYSE:MHP) took a little friendly fire Monday, seeing its stock tumble nearly 8% after its Standard & Poor's agency downgraded the U.S. government's credit rating, helping to send the market into a downward spiral.
