AST SpaceMobile has been on a tear in 2025, but extensive runway remains as this satellite cellular phone technology company ramps up its commercialization efforts. Archer Aviation remains a top contender among "flying taxi" stocks, and could be just a few years away from its actual "liftoff moment.

AST SpaceMobile shares traded higher Tuesday afternoon, extending a year-to-date rally of nearly 250%.

AST SpaceMobile (NASDAQ: ASTS stock) jumped roughly 6.5% Tuesday after the company confirmed an accelerated launch cadence for 2026 and disclosed a timely insider purchase. The developments signalled renewed confidence in its ambitious space-based cellular network.

ASTS jumps on its Bluebird 6 launch, but a triple-digit valuation and rising competition suggest investors may want to tread carefully.

AST SpaceMobile stock (NASDAQ:ASTS) – a company that is developing a low-Earth-orbit (LEO) satellite constellation to deliver broadband directly to smartphones – has increased by nearly 20% in the past five trading days and is up over 260% year to date. Additionally, see Where Is Alphabet Stock Headed?

Transition from concept to industrial execution is underway, with production, launches, and contracts now driving the story. Business risk has shifted from technology viability to operational delivery and timing discipline. The model offers high convexity, limited downside visibility, and large upside tied to successful network build-out.

In 2025, Redwire Corporation shares have underperformed tremendously compared to other space stocks. Instead of hoping for this space sector also-ran to make a big recovery next year, you may want opt for one of the space sector's top performers instead.

Retail investors talked up five hot stocks this week (Dec. 22 to Dec. 26) on X and Reddit's r/WallStreetBets, driven by retail hype, AI buzz, and corporate news flow.

Benzinga examined the prospects for many investors' favorite stocks over the last week - here's a look at some of our top stories.

While AST SpaceMobile has been falling due in part to insider selling, extended negativity tends to resolve upward for ASTS stock.