Altria Group, Inc., known as Philip Morris Companies Inc. until 2003, is an American corporation that operates worldwide. It is one of the world's largest producers and marketers of tobacco and cigarettes.
Altria Group stock (symbol: MO) underwent a total of 5 stock splits.The most recent stock split occurred on April 11th, 1997.One MO share bought prior to June 3rd, 1974 would equal to 96 MO shares today.