Netflix Tumbles After Cutting Forecast for U.S. Subscribers [Getty Images]

Netflix Inc.'s streaming service is displayed on a computer monitor in New York, U.S., on Thursday, Sept. 15, 2011. Netflix Inc., the mail-order and online film-rental service, fell the most in almost three years after cutting its forecast for U.S. subscribers in the third quarter. Photographer: Jin Lee/Bloomberg via Getty Images

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