A major telecom industry initiative involving three of America’s largest wireless carriers could significantly benefit AST SpaceMobile, Inc. (NASDAQ: ASTS), according to analyst commentary. Roth Capital stated on May 14 that a joint venture between AT&T Inc., T-Mobile US, Inc., and Verizon Communications Inc. to address direct-to-device wireless coverage gaps represents a positive development for AST SpaceMobile. AST SpaceMobile has publicly sup…