Piper Jaffray Initiates Antares Pharma With Overweight By: Benzinga via Benzinga May 18, 2015 at 08:56 AM EDT Piper Jaffray initiated coverage on Antares Pharma Inc (NASDAQ: ATRS) with a Overweight rating. The target price for Antares Pharma ... Read More >> Related Stocks: Antares Pharma