Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga August 04, 2014 at 08:16 AM EDT Insmed (NASDAQ: INSM) shares declined 20.29% to $13.75 in pre-market trading after the company reported that it will file a Marketing ... Read More >> Related Stocks: Diamond Offshore Drilling Insmed Inc Noble Corp Transocean Ltd