AST stock is up 13x in four months. The smart move now is (for AST) to sell its stock.From an initial public offering (IPO) price near $10 in 2021 to its post-IPO nadir closer to $2 earlier this year, direct-to-cell (DTC) satellite communications company AST SpaceMobile (ASTS 1.27%) has taken investors on quite the wild ride these past few years.Thanks largely to support from big telecom names like AT&T (T 2.66%) and Verizon (VZ 2.75%), however, AST stock went parabolic in 2024. The company's gone from oper ...