GRAPEVINE, Texas--(BUSINESS WIRE)--GameStop Corp. (NYSE: GME), a global family of specialty retail brands that makes the most popular technologies affordable and simple, today reported sales and earnings for the fourth quarter and fiscal year ended Jan. 31, 2015. Paul Raines, chief executive officer, stated, “2014 was a year of continued growth, diversification and expansion of the GameStop family of specialty retail brands. In our core video game business, we achieved our highest market share