CNBC has an excellent report on the sudden resignation of GameStop chief financial officer Catherine Smith.  The company said today that Smith resigned to take up a position at Wal-Mart.  CNBC gets input from analysts from Goldman Sachs, Piper Jaffray, BMO Capital Markets, and Broadpoint AmTech on how they view the departure.  The coverage also looks at what broader issues, such as the future of used game sales and digital downloads, could pose for GameStop’s outlook.  Read more at CNBC.