FDA approves update to MannKind's Afrezza By: MarketMinute.com Stock News October 03, 2017 at 18:20 PM EDT The Food and Drug Administration approved an update to MannKind Corp.'s (Nasdaq: MNKD) Afrezza prescribing information. The stock price gained 48 cents to close at $2.82. Related Stocks: Mannkind Corp