Space stocks are having a rough week, with SpaceX rivals AST SpaceMobile and Rocket Lab taking some of the biggest hits. William Gavin is a tech reporter for MarketWatch. He is based in New York.

AST SpaceMobile Inc. (NASDAQ: ASTS) is one of the most controversial stocks in telecom. The company is developing the first space-based cellular broadband network that people will be able to use with ...

AST SpaceMobile, Inc. (NASDAQ: ASTS) shares are tumbling on Wednesday. The decline comes as the broader market experiences a downturn, with the Nasdaq falling 2.19% and the Communication Services ...

In the latest close session, AST SpaceMobile, Inc. (ASTS) was down 5.99% at $104.55. The stock fell short of the S&P 500, which registered a gain of 0.54% for the day. Meanwhile, the Dow gained 1.05%, ...