McGraw-Hill’s S&P Imperils $4.6 Billion Gain

McGraw-Hill’s S&P Imperils $4.6 Billion Gain

Scott Eells/Bloomberg

McGraw-Hill’s ratings business accounted for 45 percent of the company’s $1.5 billion in operating income for the 12 months ended Sept. 30, the highest portion of any unit, Bloomberg data show.