Afrezza Feedback 'Largely Positive' For MannKind, Jefferies Says By: Benzinga via Benzinga June 09, 2015 at 09:55 AM EDT In a report published Tuesday, Jefferies analyst Shaunak Deepak maintained a Buy rating on MannKind Corporation (NASDAQ: MNKD), with a ... Read More >> Related Stocks: Sanofi-Aventis S.A. ADR