PharmaBio Development Inc., the former strategic investing subsidiary of Quintiles, has agreed to purchase approximately 2.4 million shares of Discovery Laboratories, Inc. and approximately 1.2 million shares of common stock under a five-year term, for a total of $0.5 million. PharmaBio previously owned approximately 5.6 million shares of Discovery Lab’s common stock. Additionally, the two companies have agreed to continue evaluating a potential long-term strategic collaboration focused on the d...