New York – Nielsen Holdings N.V., a global provider of information and insights into what consumers watch and buy, announced that it has been added to the S&P 500.The world-renowned financial market indicator includes 500 leading companies in major industries of the U.S. economy. It is widely regarded as the best single gauge of the U.S. equities markets and includes many iconic, global brands.Nielsen has been added to the S&P 500 GICS (Global Industry Classification Standard) … [Read more...] about Nielsen joins S&P 500