Why AST SpaceMobile Stock Dropped 8% on Monday

Earlier this month I warned you that SpaceX's growing ability to offer direct-to-cell (DTC) communications, connecting calls between ordinary off-the-shelf cellphones through the use of Starlink satellites with no cell towers required, posed a clear and present danger to the business model of AST SpaceMobile (ASTS -4.06%) -- which invented the concept.Less than two weeks later, it's become clear that the danger is even bigger than I at first realized.Investors are realizing this now, too, in the wake of Spa ...