Shares of Targacept (TRGT) fall 5.0% in premarket trading after the company announces that it...

|By:, SA News Editor

Shares of Targacept (TRGT) fall 5.0% in premarket trading after the company announces that it will discontinue a clinical trial of its TC-5214 treatment for depression and releases disappointing results from a study of its TC-6987 diabetes treatment candidate.