Platts Completes Acquisition of Steel Business Briefing Group, Broadening Its News, Pricing and Analytical Offerings in Global Commodities Markets PR Newswire LONDON and NEW YORK, July 1, 2011 LONDON and NEW YORK , July 1, 2011 /PRNewswire-FirstCall/ — The McGraw-Hill Companies, Inc. (NYSE: MHP) today announced that Platts, a division of McGraw-Hill and a leading global provider of energy, petrochemicals and metals information, has completed its acquisition of Steel Business Briefing Group (the SBB Group), a privately held U.K. company and leading provider of news, pricing and analytics to the global steel market […]