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Movers roundup: Pandora, Sequenom

The Associated Press

Among the stock activity stories for Monday, Sept. 24, from AP Business News:

— Shares of Pandora Media Inc. rose after a group of federal lawmakers introduced a bill that could lower the royalties the online radio service pays to artists and their record labels.

— Shares of genomic testing company Sequenom Inc. slumped after an analyst downgraded the company, saying it plans to ramp up spending as competition increases, delaying profitability.