AST SpaceMobile (ASTS) stock is up nearly 20% today amid renewed excitement around the upcoming launch of its next-generation satellite, BlueBird 6. Investors seem convinced that the Dec. 15 event will expand ASTS’ direct-to-smartphone satellite coverage, a milestone that could meaningfully advance its commercial rollout. More News from Barchart Following today’s rally, AST SpaceMobile stock is up more than 300% versus its year-to-date low. www.barchart.com What the BlueBird 6 Launch Means for ASTS St ...