This eVTOL aircraft maker could have a bright future.Archer Aviation (ACHR 14.23%) has disappointed a lot of investors since its public debut three years ago. The developer of electric vertical take-off and landing (eVTOL) aircraft went public by merging with a special purpose acquisition company (SPAC), and it started trading at $9.90 and soared to a record high of $17.14 in February 2021. But today, Archer's stock trades at about $4.It crashed and burned as it missed its own pre-merger expectations, racke ...