Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga May 11, 2015 at 08:26 AM EDT MannKind Corporation (NASDAQ: MNKD) shares fell 2.10 percent to $3.73 in pre-market trading. JP Morgan downgraded MannKind from ... Read More >> Related Stocks: Cypress Semiconductor Ericsson ADR Noble Energy Salesforce iPath Dow Jones-Goldman Sachs Crude Oil Fund