Gartner Group, Clarke-O'Neill, Erisco, and several other lesser known entities. In 1999, Cognizant Corporation spun off Nielsen TV Ratings and shortly thereafter divested all its holdings, emerging as IMS Health. IMS Health continued to hold its prize incubator company that is today known as Cognizant Corporation. On July 1, 1998, Dun & Bradstreet split into two companies, one assuming the Dun & Bradstreet name, while the other adopting the R.H. Donnelley name. 2000s In 2000, Dun & Bradstreet spun off Moody's Corporation. In 2001, Dun & Bradstreet acquired Harris InfoSource International, Inc., a data company. In February 2003, the company acquired Hoover's, a business reporting service. On February 5, 2003, Dun & Bradstreet restated prior period results to correct timing errors in recognizing some of the revenue associated with 14 of the company's 200+ products, after reviewing its revenue recognition from 1997 through 2002. In August 2010, Dun & Bradstreet spun off and sold its credit monitoring and management business to a newly formed company, Dun & Bradstreet Credibility Corp. In 2007, Dun & Bradstreet acquired AllBusiness.com and sold the company in 2012. In October 2013, Bob Carrigan became the CEO of Dun & Bradstreet. On January 5, 2015, Dun & Bradstreet acquired the data management firm NetProspex. In April 2015, Dun & Bradstreet acquired Dun & Bradstreet Credibility Corp. and announced the formation of a new division, Dun & Bradstreet Emerging Business. In January 2017, Dun & Bradstreet acquired Avention, the maker of OneSource solutions. On August 8, 2018, Dun & Bradstreet announced the appointment of Thomas J. Manning, who had served as the company's interim CEO, as its new Chief Executive Officer, and that the company had entered into a definitive agreement to be acquired by an investor group led by CC Capital, Cannae Holdings, and Thomas H. Lee Partners. On February 8, 2019, the investor group completed the acquisition of Dun & Bradstreet and it became a privately held company. Its former ticker symbol, DNB, was retired. On July 1, 2020, Dun & Bradstreet re-listed shares on the New York Stock Exchange, once again trading under the ticker symbol DNB. In January 2021 Dun & Bradstreet acquired Bisnode Business Information Group AB (“Bisnode”), a European data and analytics firm and long-standing member of the Dun & Bradstreet Worldwide Network, for an enterprise value of (US$818 million). On May 20, 2021, Dun & Bradstreet announced its intention to