Shares of Somaxon Pharmaceuticals (SOMX) are +31.2% premarket after the company announced a...

|About: Somaxon Pharmaceuticals,... (SOMX)|By:, SA News Editor

Shares of Somaxon Pharmaceuticals (SOMX) are +31.2% premarket after the company announced a co-promotion pact with Procter & Gamble (PG) to market its insomnia drug, Silenor. PG -0.3%. (PR)