Gilead Sciences, Inc. has signed a definitive agreement to acquire Canadian subsidiary Raylo Chemicals, Inc. and most of its assets from Germany-based specialty chemicals company Degussa AG for approximately $149 million. In addition, Gilead has entered into long-term agreements with Degussa for the supply of raw materials and the manufacture of certain active pharmaceutical ingredients (API) for Gilead products. The companies expect the transaction to close in the fourth quarter of this year. ...