Arena Pharmaceuticals Inc (ARNA) $10.13 -13.27%

Arena Pharmaceuticals (ARNA) has seen a steady increase in options activity during the past two week heading into a June 27 PDUFA date for the biotech’s obesity drug lorcaserin. Optimism has been riding high and, after the 73.8 percent surge in shares on May 11 after an FDA committee voted 18-4 in favor of the [...]