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Movers roundup: Rosetta Stone, Orthofix

The Associated Press

Among the stock activity stories for Thursday, May 9, from AP Business News:

— Rosetta Stone Inc. shares tumbled after the foreign language education company said that its first-quarter loss widened and it posted lower-than-expected sales.

— Orthofix International N.V.'s shares sank after the medical device company reported a disappointing first quarter.