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Arena Pharmaceuticals (ARNA) posted a wider loss than analysts projected after today's market close.
Arena Pharmaceuticals (ARNA) stock is trading higher after receiving FDA approval for a new extended release weight-loss pill.
Trade-Ideas LLC identified Arena Pharmaceuticals (ARNA) as a strong on high relative volume candidate
Arena Pharma (ARNA) stock is climbing Tuesday afternoon as the bio-pharmaceutical company announced favorable results from a phase 1b trial for its pain relief drug.