Gross Margin Rate Expands 360 Basis Points to 36.1% Total Company Operating Earnings Grow 9% year-over-year Technology Brands Operating Earnings increase 262% GRAPEVINE, TX, 2016-Nov-24 — /EPR Retail News/ — GameStop Corp.(NYSE: GME), a global family of specialty retail brands that makes the most popular technologies affordable and simple, today (11/22/16 )reported sales and…