Movers roundup: GameStop, Tranzyme

Among the stock activity stories for Friday, Nov. 16, from AP Business News:

— Shares of GameStop Corp. continued to rise in the wake of the video game retailer's third-quarter results and a strong launch for the latest "Call of Duty" game.

— A day after Tranzyme Inc. said its diabetic gastroparesis drug TZP-102 failed in a clinical trial, shares of the company fell to new lows.

— Shares of Sina Corp., which operates a popular Chinese Internet portal, fell over 15 percent after the company issued a weak revenue guidance for the current period.