More on GameStop (NYSE:GME): The retailer doesn't have a lot of good news to report despite beating earnings estimates. The first half of 2013 is expected to be "challenging" as GameStop waits out the release of Grand Theft Auto V and the launch of next-generation consoles in the back half. Same-store sales fell 4.6% during FQ4 and the company expects -6% to +1.5% comp sales for the new fiscal year. FY2013 EPS guidance for $2.75-$3.15 stands below estimates. GME -5.7% premarket. (PR)