Biomarin is purchasing Prosensa for approximately $840 million.

Rxi Pharmaceuticals is extremely undervalued should approaching catalysts fulfill promise.

Shares of Regulus Therapeutics (RGLS) soared as much as 100% in one trading session after the company released some early data for their Hepatitis C drug.

U.S. stocks turned lower in afternoon trading on Wednesday, with major indexes erasing earlier gains as a shooting at the Canadian parliament unnerved investors and Boeing and Biogen sold off following results.