Shares of Optimer Pharmaceuticals (OPTR) come off their trading halt down 4.7% premarket after...

|About: Optimer Pharmaceuticals, ... (OPTR)|By:, SA News Editor

Shares of Optimer Pharmaceuticals (OPTR) come off their trading halt down 4.7% premarket after the firm cleans house and warns that Q1 revenue will be lower than the estimates of analysts.