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Movers roundup: Zipcar, Nuance Communications

The Associated Press

Among the stock activity stories for Tuesday, Nov. 20, from AP Business News:

— Shares of hourly car rental company Zipcar Inc. shot up after Goldman Sachs suggested buying the company's stock.

— Shares of Nuance Communications, whose speech-recognition software has helped power the iPhone's virtual assistant, Siri, fell as the company's fourth-quarter revenue missed analysts' estimates.