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The Cambridge, Mass.-based firm clinched FDA approval for hyperuricemia drug Duzallo.
Ironwood Pharmaceuticals, Rigel Pharmaceuticals and FibroGen were among the biotech stock movers in premarket trading on Monday.
New bowel drug Trulance will be available for patients later this quarter.
Trade-Ideas LLC identified Ironwood Pharmaceuticals (IRWD) as a weak on high relative volume candidate