Archer Aviation (ACHR 4.25%) is one of a small number of publicly tradable U.S. companies that develop electric vertical takeoff and landing (eVTOL) vehicles. These are more commonly known as flying cars or air taxis. It requires a great deal of vision and, like it or not, capital to get this type of business off the ground. It would be disingenuous to claim that Archer Aviation's financial position is perfect. Yet, improvement should be the name of the game if you're an eVTOL company watcher and/or investo ...