Is the market too optimistic on DroneShield shares?

DroneShield Ltd (ASX: DRO) shares are slipping today.

Shares in the S&P/ASX 300 Index (ASX: XKO) drone defence company closed Friday at $1.215. At the time of writing, they are changing hands for $1.207 apiece, down 0.7%.

For some context, the ASX 300 is up 0.3% at…