Investors rallied around shares of Supernus Pharmaceuticals in a big way on 19 August, with the company's stock soaring as high as 26.5% after the US FDA granted its approval for the Rockville, Maryland specialty pharma to market its once-daily extended release formulation of topiramate under the brand-name Trokendi XR as a treatment for patients with epilepsy.
Shares of Supernus closed at $6.90, a gain of 26 cents, or about 4%.






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