Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga June 18, 2014 at 08:05 AM EDT Insmed (NASDAQ: INSM) soared 29.48% to $16.14 in the pre-market trading on the FDA Breakthrough Therapy Designation for ... Read More >> Related Stocks: Adobe Systems Air Products & Chemicals FedEx Corp Insmed Inc