The developer of eVTOL aircraft has a shot at taking off again.Archer Aviation (ACHR 0.30%), a developer of electric vertical take-off and landing (eVTOL) aircraft, went public by merging with a special purpose acquisition company (SPAC) three years ago. The combined company's stock started trading at $9.90 and soared to a record high of$17.14 in February 2021 but now trades at about $3.Archer's stock crashed after it broadly missed its own pre-merger forecasts, racked up steeper-than-expected losses, and ...