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Movers roundup: RIM, Boston Scientific

The Associated Press

Among the stock activity stories for Wednesday, Jan. 30, from AP Business News:

— Shares of Research in Motion Ltd. gave up early gains after the smartphone maker's CEO introduced the new BlackBerry 10 on a stage in New York.

— Shares of Boston Scientific Corp. rose a day after the medical device maker topped analyst expectations with its fourth-quarter earnings report.