AST SpaceMobile Raised $150 Million, But at What Cost?

AST SpaceMobile has billions to spend before it has a fully operating satellite network, which means it needs more money.AST SpaceMobile (ASTS 0.17%) is on the verge of having a revenue-generating business, having just launched its first five operational satellites. That's great news for the company and investors, and enthusiasm for the stock is clear as its price is up more than 600% over the past year. There's just one problem -- AST SpaceMobile is only at the start of a very expensive growth phase.Here's ...