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Movers roundup: Skullcandy, Star Scientific

The Associated Press

Among the stock activity stories for Tuesday, March 19, from AP Business News:

— Skullcandy Inc.'s shares jumped after the headphone maker announced that it has appointed a new chief executive.

— Advanced Energy Industries Inc. shares fell as an analyst cut the solar energy company's rating due to likely pressure on sales and margins.

— Shares of Star Scientific Inc. fell after the company, which makes dietary supplements, cosmetics, and experimental pharmaceuticals, said it is being investigated by the federal government.